diff --git a/data_from_portwine/scripts/functions_helper b/data_from_portwine/scripts/functions_helper
index be3bc80d..17b5f430 100755
--- a/data_from_portwine/scripts/functions_helper
+++ b/data_from_portwine/scripts/functions_helper
@@ -483,7 +483,11 @@ debug_timer () {
     elif [[ "$1" == "--end" ]] ; then
         END=$(date +%s%N)
         DIFF=$((($END - $START)/1000000))
-        print_warning "It took $DIFF milliseconds for $2"
+        if [[ -n "$2" ]] ; then
+            print_warning "It took $DIFF milliseconds for $2"
+        else
+            print_warning "It took $DIFF milliseconds"
+        fi
     fi
 }