diff --git a/tools/hxcpp/BuildTool.hx b/tools/hxcpp/BuildTool.hx
index d6b42f513..5c5e83b4f 100644
--- a/tools/hxcpp/BuildTool.hx
+++ b/tools/hxcpp/BuildTool.hx
@@ -771,6 +771,8 @@ class BuildTool
                }
             }
             Profile.pop();
+         case _ if (inDestination != null):
+            Log.warn('Target \'${inTarget}\' does not output a file, so \'destination\' has been ignored');
       }
 
       if (mCopyFiles.length>0)