diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d55b02b5..652ae3222 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,12 +103,14 @@ else()
     message(STATUS "Threads type: disabled")
 endif()
 
+set(WARNING_FLAGS "-Wall -Wextra -Wconversion -Werror=incompatible-pointer-types -Werror=implicit-function-declaration -Werror=uninitialized -Werror=return-type")
+
 set(CMAKE_C_STANDARD 11)
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wconversion")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS}")
 
 if(WIN32)
     set(CMAKE_CXX_STANDARD 11)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wconversion -fno-exceptions -fno-rtti")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} -fno-exceptions -fno-rtti")
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--tsaware -Wl,--build-id -Wl,--subsystem,console:6.1,--major-os-version,6,--minor-os-version,1")
 endif()