diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2694a2080b..1fe875fb59 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ elseif(WIN32)
 endif()
 
 # Add Lua compatibility definition
-if(NOT TARGET lualib) 
+if(TARGET lualib) 
   target_compile_definitions(lualib PUBLIC LUA_COMPAT_MODULE) 
 endif()