diff --git a/CMakeLists.txt b/CMakeLists.txt
index f22b70cab..6d80d7a17 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -224,7 +224,7 @@ endif()
 
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic -Wall -Wextra -Wno-unused-parameter")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-parameter")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wall -Wextra -Wno-unused-parameter")
 
 if(NOT MSVC)
 	set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")