diff --git a/cmake/Modules/HandleLibcxxabiFlags.cmake b/cmake/Modules/HandleLibcxxabiFlags.cmake
index bf5c5fa..98b455c 100644
--- a/cmake/Modules/HandleLibcxxabiFlags.cmake
+++ b/cmake/Modules/HandleLibcxxabiFlags.cmake
@@ -192,7 +192,7 @@
   foreach(flag ${ARGN})
       mangle_name("${flag}" flagname)
       check_c_compiler_flag("${flag}" "C_SUPPORTS_${flagname}_FLAG")
-      add_compile_flags_if(CXX_SUPPORTS_${flagname}_FLAG ${flag})
+      add_compile_flags_if(C_SUPPORTS_${flagname}_FLAG ${flag})
   endforeach()
 endmacro()