diff --git a/dumb/CMakeLists.txt b/dumb/CMakeLists.txt
index 8455e6d15..63ce020e1 100644
--- a/dumb/CMakeLists.txt
+++ b/dumb/CMakeLists.txt
@@ -9,9 +9,9 @@ set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG -DDEBUGMODE=1" )
 
 if( ZD_CMAKE_COMPILER_IS_GNUC_COMPATIBLE )
 	set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-pointer-sign -Wno-uninitialized" )
-	if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.5")
+	if( NOT CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.5" )
 		set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-but-set-variable" )
-	endif(NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.5")
+	endif()
 endif()
 
 # Enable fast flag for dumb