diff --git a/development/cmake/scripts/LyXGetVersion.cmake b/development/cmake/scripts/LyXGetVersion.cmake
index bc261eecfb..11500ec6c3 100644
--- a/development/cmake/scripts/LyXGetVersion.cmake
+++ b/development/cmake/scripts/LyXGetVersion.cmake
@@ -58,7 +58,7 @@ else()
   )
 
   if(copy_err)
-    message(FATAL_ERROR "${CMAKE_COMMAND} -E ${copy_command} not working")
+    message(FATAL_ERROR "${CMAKE_COMMAND} -E copy_if_different not working")
   endif()
 
   EXECUTE_PROCESS(