diff --git a/.github/workflows/matchers/gcc.json b/.github/workflows/matchers/gcc.json
index 899239f816..a00d9c33f4 100644
--- a/.github/workflows/matchers/gcc.json
+++ b/.github/workflows/matchers/gcc.json
@@ -5,7 +5,7 @@
       "severity": "error",
       "pattern": [
         {
-          "regexp": "^(.*):(\\d+):(\\d+):\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
+          "regexp": "^src/(.*):(\\d+):(\\d+):\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
           "file": 1,
           "line": 2,
           "column": 3,