diff --git a/CMakeLists.txt b/CMakeLists.txt
index b3f827a..ae28946 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,7 +94,7 @@ endif()
 # ###################################### Compilation flags
 set(CMAKE_C_FLAGS_RELEASE  "-O3 -flto -mfpmath=sse -march=x86-64 -mtune=native \
 -fdata-sections -ffunction-sections -fomit-frame-pointer -finline-functions")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-type-limits")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-type-limits -Werror=return-type")
 
 
 # ############################# End compilation flags