diff --git a/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake b/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake
index 9d8ba9ed5..abbcda498 100644
--- a/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake
+++ b/Modules/CMakeCheckCompilerFlagCommonPatterns.cmake
@@ -32,7 +32,7 @@ macro (CHECK_COMPILER_FLAG_COMMON_PATTERNS _VAR)
      FAIL_REGEX "[Ww]arning: [Oo]ption"                     # SunPro
      FAIL_REGEX "command option .* is not recognized"       # XL
      FAIL_REGEX "command option .* contains an incorrect subargument" # XL
-     FAIL_REGEX "not supported in this configuration; ignored"       # AIX
+     FAIL_REGEX "not supported in this configuration. ignored"       # AIX
      FAIL_REGEX "File with unknown suffix passed to linker" # PGI
      FAIL_REGEX "WARNING: unknown flag:"                    # Open64
      FAIL_REGEX "Incorrect command line option:"            # Borland