diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87c81d4..62cea12 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,11 +2,11 @@ project (ponymap C)
 cmake_minimum_required (VERSION 2.8.5)
 
 # Moar warnings
-if ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUC)
+if ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCC)
 	# -Wunused-function is pretty annoying here, as everything is static
 	set (CMAKE_C_FLAGS
 		"${CMAKE_C_FLAGS} -std=c99 -Wall -Wextra -Wno-unused-function")
-endif ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUC)
+endif ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCC)
 
 # Version
 set (project_VERSION_MAJOR "0")