diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index 5f2c99d6470..9c31f25cce0 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -73,7 +73,11 @@ else()
 endif()
 
 # Warnings, errors
-add_compile_flags("-Werror -Wall -Wpointer-arith")
+if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    add_compile_flags("-Werror")
+endif()
+
+add_compile_flags("-Wall -Wpointer-arith")
 add_compile_flags("-Wno-char-subscripts -Wno-multichar -Wno-unused-value")
 
 if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")