diff --git a/schainpy/model/io/jroIO_base.py b/schainpy/model/io/jroIO_base.py
index a5b768f..71c2d25 100644
--- a/schainpy/model/io/jroIO_base.py
+++ b/schainpy/model/io/jroIO_base.py
@@ -1239,7 +1239,7 @@ class JRODataReader(JRODataIO):
         ext = ext.lower()
         self.ext = ext
         self.getByBlock = getblock
-        self.nTxs = int(nTxs)
+        self.nTxs = nTxs
         
         if not(self.setNextFile()):
             if (startDate!=None) and (endDate!=None):