diff --git a/CMakeLists.txt b/CMakeLists.txt
index 89b42c8398..5c77383813 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,7 +61,7 @@ IF(WITH_TESTING AND UNIX)
 ENDIF(WITH_TESTING AND UNIX)
 set (CLANG_FLAGS "-Wstring-plus-int")
 
-IF(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
+IF(${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
 	set (CMAKE_CXX_FLAGS_DEBUG		"${CXX_FLAGS} ${CLANG_FLAGS} -g")
 	set (CMAKE_CXX_FLAGS_MINSIZEREL		"${CXX_FLAGS} ${CLANG_FLAGS} -0s -DNDEBUG")
 	set (CMAKE_CXX_FLAGS_RELEASE		"${CXX_FLAGS} ${CLANG_FLAGS} -O3 -DNDEBUG -Werror")
@@ -141,7 +141,7 @@ ELSEIF(WIN32)
 	ENDIF()
 	SET(COMPILER_VERSION ${DEP_DIR_BUILD})
 ELSEIF(UNIX)
-	IF(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
+	IF(${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
 		SET(DEP_DIR_BUILD "clang")
 		SET(UNIX_COMPILER "clang")
 	ELSEIF(${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)