diff --git a/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake b/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake
index 07d8b1e3f..a350a84dd 100644
--- a/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake
+++ b/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake
@@ -24,6 +24,7 @@ macro (CHECK_COMPILER_FLAG_COMMON_PATTERNS _VAR)
      FAIL_REGEX "[Uu]nrecogni[sz]ed .*option"               # GNU, NAG
      FAIL_REGEX "unknown .*option"                          # Clang
      FAIL_REGEX "optimization flag .* not supported"        # Clang
+     FAIL_REGEX "unknown argument ignored"                  # Clang (cl)
      FAIL_REGEX "ignoring unknown option"                   # MSVC, Intel
      FAIL_REGEX "warning D9002"                             # MSVC, any lang
      FAIL_REGEX "option.*not supported"                     # Intel