--- old/src/java.desktop/windows/native/libawt/windows/awt_Frame.cpp	2018-09-30 07:53:03.647000000 +0530
+++ new/src/java.desktop/windows/native/libawt/windows/awt_Frame.cpp	2018-09-30 07:53:03.379000000 +0530
@@ -1182,7 +1182,7 @@
     //when reseting from specific icon to class icon
     //taskbar is not updated
     if (iconType <= 2 /*ICON_SMALL2*/) {
-        retVal = (LRESULT)GetEffectiveIcon(iconType);
+        retVal = (LRESULT)GetEffectiveIcon(static_cast<int>(iconType));
         return mrConsume;
     } else {
         return mrDoDefault;