diff --git a/include/maskfld.cpp b/include/maskfld.cpp
index b32d1b110..81963a327 100755
--- a/include/maskfld.cpp
+++ b/include/maskfld.cpp
@@ -551,7 +551,7 @@ const char* TMask_field::picture_data(
   if (video) 
   {
     fpark = data;
-    smart_trim(fpark, (byte) _flags.trim);
+    smart_trim(fpark, byte(_flags.trim));
     if (_flags.uppercase) 
       fpark.upper();
     return fpark;