diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f87c56f4..982b42e27 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1755,11 +1755,14 @@ if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR COMPILER_IS_CLANG)
 		set(CMAKE_C_FLAGS "-Wtype-limits ${CMAKE_C_FLAGS}" )
 	endif()
 
-    if (UNIX AND NOT LWS_PLAT_FREERTOS)
-	    set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wstrict-aliasing -Wuninitialized -Werror ${VISIBILITY_FLAG} -Wundef ${GCOV_FLAGS} ${CMAKE_C_FLAGS} ${ASAN_FLAGS}" )
-    else()
-	    set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wuninitialized -Werror ${VISIBILITY_FLAG} ${GCOV_FLAGS} ${CMAKE_C_FLAGS}" )
-    endif()
+	if (CMAKE_COMPILER_IS_CLANG OR CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.3)
+		set(CMAKE_C_FLAGS "-Wuninitialized ${CMAKE_C_FLAGS}")
+	endif()
+	if (UNIX AND NOT LWS_PLAT_FREERTOS)
+		set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wstrict-aliasing -Werror ${VISIBILITY_FLAG} -Wundef ${GCOV_FLAGS} ${CMAKE_C_FLAGS} ${ASAN_FLAGS}" )
+	else()
+		set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Werror ${VISIBILITY_FLAG} ${GCOV_FLAGS} ${CMAKE_C_FLAGS}" )
+	endif()
 endif ()
 
 if (LWS_PLAT_OPTEE)