diff --git a/Code/Mantid/Framework/DataObjects/test/EventListTest.h b/Code/Mantid/Framework/DataObjects/test/EventListTest.h
index 0d35a7448331ca34e3cc20aeb3a5296aa045c5b9..eaac6ad80338e4d024661c26327888b116c3a27f 100644
--- a/Code/Mantid/Framework/DataObjects/test/EventListTest.h
+++ b/Code/Mantid/Framework/DataObjects/test/EventListTest.h
@@ -1333,7 +1333,7 @@ public:
       TS_ASSERT_DELTA( this->el.readX()[1], MAX_TOF, 1e-4);
 
       //Do convert
-      this->el.convertTof(2.5, 1);
+      this->el.convertTof(2.5, 1.);
       //Unchanged size
       TS_ASSERT_EQUALS(old_num, this->el.getNumberEvents());
       //Original tofs were 100, 5100, 10100, etc.)