diff --git a/app/controllers/imports_controller.rb b/app/controllers/imports_controller.rb
index 79a5ced..75d4da9 100644
--- a/app/controllers/imports_controller.rb
+++ b/app/controllers/imports_controller.rb
@@ -57,11 +57,7 @@ class ImportsController < ApplicationController
   end
 
   def mapping
-    issue = Issue.new
-    issue.project = @import.project
-    issue.tracker = @import.tracker
-    @attributes = issue.safe_attribute_names
-    @custom_fields = issue.editable_custom_field_values.map(&:custom_field)
+    @custom_fields = @import.mappable_custom_fields
 
     if request.post?
       respond_to do |format|
diff --git a/app/helpers/imports_helper.rb b/app/helpers/imports_helper.rb
index 2fecfca..edbf2d1 100644
--- a/app/helpers/imports_helper.rb
+++ b/app/helpers/imports_helper.rb
@@ -23,12 +23,16 @@ module ImportsHelper
     blank_text = options[:required] ? "-- #{l(:actionview_instancetag_blank_option)} --" : "&nbsp;".html_safe
     tags << content_tag('option', blank_text, :value => '')
     tags << options_for_select(import.columns_options, import.mapping[field])
+    if values = options[:values]
+      tags << content_tag('option', '--', :disabled => true)
+      tags << options_for_select(values.map {|text, value| [text, "value:#{value}"]}, import.mapping[field])
+    end
     tags
   end
 
   def mapping_select_tag(import, field, options={})
     name = "import_settings[mapping][#{field}]"
-    select_tag name, options_for_mapping_select(import, field, options)
+    select_tag name, options_for_mapping_select(import, field, options), :id => "import_mapping_#{field}"
   end
 
   # Returns the options for the date_format setting
diff --git a/app/models/issue_import.rb b/app/models/issue_import.rb
index 5b19ac9..e7d7a56 100644
--- a/app/models/issue_import.rb
+++ b/app/models/issue_import.rb
@@ -41,8 +41,10 @@ class IssueImport < Import
   end
 
   def tracker
-    tracker_id = mapping['tracker_id'].to_i
-    allowed_target_trackers.find_by_id(tracker_id) || allowed_target_trackers.first
+    if mapping['tracker'].to_s =~ /\Avalue:(\d+)\z/
+      tracker_id = $1.to_i
+      allowed_target_trackers.find_by_id(tracker_id)
+    end
   end
 
   # Returns true if missing categories should be created during the import
@@ -57,6 +59,19 @@ class IssueImport < Import
       mapping['create_versions'] == '1'
   end
 
+  def mappable_custom_fields
+    if tracker
+      issue = Issue.new
+      issue.project = project
+      issue.tracker = tracker
+      issue.editable_custom_field_values(user).map(&:custom_field)
+    elsif project
+      project.all_issue_custom_fields
+    else
+      []
+    end
+  end
+
   private
 
   def build_object(row)
@@ -64,12 +79,20 @@ class IssueImport < Import
     issue.author = user
     issue.notify = false
 
+    tracker_id = nil
+    if tracker
+      tracker_id = tracker.id
+    elsif tracker_name = row_value(row, 'tracker')
+      tracker_id = allowed_target_trackers.named(tracker_name).first.try(:id)
+    end
+
     attributes = {
       'project_id' => mapping['project_id'],
-      'tracker_id' => mapping['tracker_id'],
+      'tracker_id' => tracker_id,
       'subject' => row_value(row, 'subject'),
       'description' => row_value(row, 'description')
     }
+    attributes
     issue.send :safe_attributes=, attributes, user
 
     attributes = {}
@@ -149,6 +172,11 @@ class IssueImport < Import
     end
 
     issue.send :safe_attributes=, attributes, user
+
+    if issue.tracker_id != tracker_id
+      issue.tracker_id = nil
+    end
+
     issue
   end
 end
diff --git a/app/views/imports/_fields_mapping.html.erb b/app/views/imports/_fields_mapping.html.erb
index bb6467e..4ac2b57 100644
--- a/app/views/imports/_fields_mapping.html.erb
+++ b/app/views/imports/_fields_mapping.html.erb
@@ -1,17 +1,17 @@
-<div class="splitcontent">
-<div class="splitcontentleft">
 <p>
   <label><%= l(:label_project) %></label>
   <%= select_tag 'import_settings[mapping][project_id]',
         options_for_select(project_tree_options_for_select(@import.allowed_target_projects, :selected => @import.project)),
-        :id => 'issue_project_id' %>
+        :id => 'import_mapping_project_id' %>
 </p>
 <p>
   <label><%= l(:label_tracker) %></label>
-  <%= select_tag 'import_settings[mapping][tracker_id]',
-        options_for_select(@import.allowed_target_trackers.sorted.map {|t| [t.name, t.id]}, @import.tracker.try(:id)),
-        :id => 'issue_tracker_id' %>
+  <%= mapping_select_tag @import, 'tracker', :required => true,
+        :values => @import.allowed_target_trackers.sorted.map {|t| [t.name, t.id]} %>
 </p>
+
+<div class="splitcontent">
+<div class="splitcontentleft">
 <p>
   <label><%= l(:field_subject) %></label>
   <%= mapping_select_tag @import, 'subject', :required => true %>
diff --git a/app/views/imports/mapping.html.erb b/app/views/imports/mapping.html.erb
index 283bddb..2e225d6 100644
--- a/app/views/imports/mapping.html.erb
+++ b/app/views/imports/mapping.html.erb
@@ -35,7 +35,7 @@
 
 <%= javascript_tag do %>
 $(document).ready(function() {
-  $('#fields-mapping').on('change', '#issue_project_id, #issue_tracker_id', function(){
+  $('#fields-mapping').on('change', '#import_mapping_project_id, #import_mapping_tracker', function(){
     $.ajax({
       url: '<%= import_mapping_path(@import, :format => 'js') %>',
       type: 'post',
diff --git a/test/fixtures/files/import_issues.csv b/test/fixtures/files/import_issues.csv
index 918f9fc..6990cb5 100644
--- a/test/fixtures/files/import_issues.csv
+++ b/test/fixtures/files/import_issues.csv
@@ -1,4 +1,4 @@
-priority;subject;description;start_date;due_date;parent;private;progress;custom;version;category;user;estimated_hours
-High;First;First description;2015-07-08;2015-08-25;;no;;PostgreSQL;;New category;dlopper;1
-Normal;Child 1;Child description;;;1;yes;10;MySQL;2.0;New category;;2
-Normal;Child of existing issue;Child description;;;#2;no;20;;2.1;Printing;;3
+priority;subject;description;start_date;due_date;parent;private;progress;custom;version;category;user;estimated_hours;tracker
+High;First;First description;2015-07-08;2015-08-25;;no;;PostgreSQL;;New category;dlopper;1;bug
+Normal;Child 1;Child description;;;1;yes;10;MySQL;2.0;New category;;2;feature request
+Normal;Child of existing issue;Child description;;;#2;no;20;;2.1;Printing;;3;bug
diff --git a/test/object_helpers.rb b/test/object_helpers.rb
index 2b33279..7ea4a61 100644
--- a/test/object_helpers.rb
+++ b/test/object_helpers.rb
@@ -235,7 +235,7 @@ module ObjectHelpers
 
     import.settings = {
       'separator' => ";", 'wrapper' => '"', 'encoding' => "UTF-8",
-      'mapping' => {'project_id' => '1', 'tracker_id' => '2', 'subject' => '1'}
+      'mapping' => {'project_id' => '1', 'tracker' => '13', 'subject' => '1'}
     }
     import.save!
     import
diff --git a/test/unit/issue_import_test.rb b/test/unit/issue_import_test.rb
index 61e1007..6d39214 100644
--- a/test/unit/issue_import_test.rb
+++ b/test/unit/issue_import_test.rb
@@ -58,6 +58,37 @@ class IssueImportTest < ActiveSupport::TestCase
     assert_equal 'New category', category.name
   end
 
+  def test_mapping_with_fixed_tracker
+    import = generate_import_with_mapping
+    import.mapping.merge!('tracker' => 'value:2')
+    import.save!
+
+    issues = new_records(Issue, 3) { import.run }
+    assert_equal [2], issues.map(&:tracker_id).uniq
+  end
+
+  def test_mapping_with_mapped_tracker
+    import = generate_import_with_mapping
+    import.mapping.merge!('tracker' => '13')
+    import.save!
+
+    issues = new_records(Issue, 3) { import.run }
+    assert_equal [1, 2, 1], issues.map(&:tracker_id)
+  end
+
+  def test_should_not_import_with_default_tracker_when_tracker_is_invalid
+    Tracker.find_by_name('Feature request').update!(:name => 'Feature')
+
+    import = generate_import_with_mapping
+    import.mapping.merge!('tracker' => '13')
+    import.save!
+    import.run
+
+    assert_equal 1, import.unsaved_items.count
+    item = import.unsaved_items.first
+    assert_include "Tracker cannot be blank", item.message
+  end
+
   def test_parent_should_be_set
     import = generate_import_with_mapping
     import.mapping.merge!('parent_issue_id' => '5')
@@ -101,7 +132,7 @@ class IssueImportTest < ActiveSupport::TestCase
     field = IssueCustomField.generate!(:field_format => 'date', :is_for_all => true, :trackers => Tracker.all)
     import = generate_import_with_mapping('import_dates.csv')
     import.settings.merge!('date_format' => Import::DATE_FORMATS[1])
-    import.mapping.merge!('subject' => '0', 'start_date' => '1', 'due_date' => '2', "cf_#{field.id}" => '3')
+    import.mapping.merge!('tracker' => 'value:1', 'subject' => '0', 'start_date' => '1', 'due_date' => '2', "cf_#{field.id}" => '3')
     import.save!
 
     issue = new_record(Issue) { import.run } # only 1 valid issue