diff --git a/CMakeLists.txt b/CMakeLists.txt
index c50e13065..b6bccc768 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -213,7 +213,10 @@ else()
   else()
     set(ARCH_FLAG "-march=${ARCH}")
   endif()
-  set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wundef -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-error=sign-compare -Wno-error=strict-aliasing -Wno-error=type-limits -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized -Wno-deprecated-register")
+  set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wundef -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-error=sign-compare -Wno-error=strict-aliasing -Wno-error=type-limits -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized")
+  if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    set(WARNINGS "${WARNINGS} -Wno-deprecated-register")
+  endif()
   if(NOT MINGW)
     set(WARNINGS "${WARNINGS} -Werror") # to allow pedantic but not stop compilation
   endif()