diff --git a/test/fixtures/auth_sources.yml b/test/fixtures/auth_sources.yml
index e478ad0..3f980dd 100644
--- a/test/fixtures/auth_sources.yml
+++ b/test/fixtures/auth_sources.yml
@@ -10,4 +10,4 @@ auth_sources_001:
   attr_firstname: givenName
   attr_lastname: sn
   attr_mail: mail
-  onthefly_register: true
+  onthefly_register: false
diff --git a/test/unit/auth_source_ldap_test.rb b/test/unit/auth_source_ldap_test.rb
index f9ee8e0..5dc532f 100644
--- a/test/unit/auth_source_ldap_test.rb
+++ b/test/unit/auth_source_ldap_test.rb
@@ -48,6 +48,7 @@ class AuthSourceLdapTest < ActiveSupport::TestCase
     context '#authenticate' do
       setup do
         @auth = AuthSourceLdap.find(1)
+        @auth.update_attribute :onthefly_register, true
       end
 
       context 'with a valid LDAP user' do
diff --git a/test/unit/user_test.rb b/test/unit/user_test.rb
index b755553..738bd77 100644
--- a/test/unit/user_test.rb
+++ b/test/unit/user_test.rb
@@ -483,6 +483,7 @@ class UserTest < ActiveSupport::TestCase
       context "on the fly registration" do
         setup do
           @auth_source = AuthSourceLdap.find(1)
+          @auth.update_attribute :onthefly_register, true
         end
 
         context "with a successful authentication" do