diff --git a/cmake/external/python.cmake b/cmake/external/python.cmake
index 4828d9ae9083fdb4045e784da0649b676147b3fb..ab3776084136e5d188372a0c62be71901139e018 100644
--- a/cmake/external/python.cmake
+++ b/cmake/external/python.cmake
@@ -27,7 +27,7 @@ print(s.get_config_var('LDVERSION') or s.get_config_var('VERSION'));
             OUTPUT_VARIABLE _PYTHON_VALUES
             ERROR_VARIABLE _PYTHON_ERROR_VALUE)
 
-    if(NOT _PYTHON_SUCCESS MATCHES 0)
+    if(NOT _PYTHON_SUCCESS EQUAL 0)
         set(PYTHONLIBS_FOUND FALSE)
         return()
     endif()