diff --git a/CMake/CTestCustom.cmake.in b/CMake/CTestCustom.cmake.in
index 487f8b99..ba597a34 100644
--- a/CMake/CTestCustom.cmake.in
+++ b/CMake/CTestCustom.cmake.in
@@ -28,7 +28,7 @@ SET(CTEST_CUSTOM_WARNING_EXCEPTION
   # Suppress warning caused by intentional messages about deprecation
   ".*warning,.* is deprecated"
   # supress warnings caused by 3rd party libs:
-  ".*/thirdparty/.*"
+  ".*thirdparty.*"
   "libtiff.*has no symbols"
   "libpng.*has no symbols"
   )