diff --git a/src/lib/lumitime.cpp b/src/lib/lumitime.cpp
index 29facef22..fb798d476 100644
--- a/src/lib/lumitime.cpp
+++ b/src/lib/lumitime.cpp
@@ -73,7 +73,7 @@ namespace lumiera {
   int
   Time::getHours()  const
   {
-    return (t_ / (60L * 60 * GAVL_TIME_SCALE)); 
+    return (t_ / (gavl_time_t(60) * 60 * GAVL_TIME_SCALE)); 
   }
   
   
diff --git a/tests/45controller.tests b/tests/45controller.tests
index 6aa5603a4..8e2a25dcf 100644
--- a/tests/45controller.tests
+++ b/tests/45controller.tests
@@ -45,7 +45,7 @@ END
 
 TEST "build argument accepting function" AcceptArgumentTuple_test <<END
 out: sizeof\( .+control.+TestClass.+ \) =   1
-out: sizeof\( .+control.+TestClass.+lumiera.Time.+ \) =  ( 8)|(16)
+out: sizeof\( .+control.+TestClass.+lumiera.Time.+ \) =  (12)|(16)
 out: 00:..:..\.000
 return: 0
 END