diff --git a/.github/csc.json b/.github/csc.json
index 1c8ac66..b2b7ea6 100644
--- a/.github/csc.json
+++ b/.github/csc.json
@@ -4,7 +4,7 @@
             "owner": "csc",
             "pattern": [
                 {
-                    "regexp": "^([^\s].*)\((\d+)(?:,\d+|,\d+,\d+)?\):\s+(error|warning)\s+([a-zA-Z]+(?<!MSB)\d+):\s*(.*?)\s+\[(.*?)\]$",
+                    "regexp": "^([^\\s].*)\((\\d+)(?:,\\d+|,\\d+,\\d+)?\\):\\s+(error|warning)\\s+([a-zA-Z]+(?<!MSB)\\d+):\\s*(.*?)\\s+\\[(.*?)\\]$",
                     "file": 1,
                     "line": 2,
                     "severity": 3,