diff --git a/CMakeLists.txt b/CMakeLists.txt
index ca47d81..3c6f4e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,12 +29,15 @@ find_program(CCACHE_FOUND ccache)
 if(CCACHE_FOUND)
     set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
     set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+    if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments -fcolor-diagnostics")
+    endif()
 endif(CCACHE_FOUND)
 
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -Wall -Wextra -Werror")
 elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -Wall -Wextra -Werror -Wno-missing-field-initializers -Qunused-arguments -fcolor-diagnostics")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -Wall -Wextra -Werror -Wno-missing-field-initializers")
 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
     add_definitions(-D_CRT_SECURE_NO_WARNINGS=1)
 endif()
diff --git a/test/perftest/CMakeLists.txt b/test/perftest/CMakeLists.txt
index 4329231..ba8dc31 100644
--- a/test/perftest/CMakeLists.txt
+++ b/test/perftest/CMakeLists.txt
@@ -15,6 +15,7 @@ if(CCACHE_FOUND)
     set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
     if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments -fcolor-diagnostics")
+    endif()
 endif(CCACHE_FOUND)
 
 IF(NOT (CMAKE_BUILD_TYPE STREQUAL "Debug"))
diff --git a/test/unittest/CMakeLists.txt b/test/unittest/CMakeLists.txt
index 8654753..c24ef84 100644
--- a/test/unittest/CMakeLists.txt
+++ b/test/unittest/CMakeLists.txt
@@ -24,6 +24,7 @@ if(CCACHE_FOUND)
     set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
     if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments -fcolor-diagnostics")
+		endif()
 endif(CCACHE_FOUND)
 
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")