diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index fe1496e..b1a2f8c 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -9,10 +9,10 @@ if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
 	set(WARNING_FLAGS "-Wall -Wextra -Werror")
 	set(OPTIMIZATION_FLAGS "-Ofast -s")
 
-	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS}")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS}")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 
 	if (WIN32)
@@ -42,9 +42,9 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
 	set(WARNING_FLAGS "-Wall -Wextra -Wno-undefined-internal -Werror")
 	set(OPTIMIZATION_FLAGS "-Ofast -funroll-loops -fmerge-all-constants")
 
-	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS}")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS}")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${WARNING_FLAGS} ${OPTIMIZATION_FLAGS}")
 endif()