diff --git a/Extension/package.json b/Extension/package.json
index f8bf62cda5..ae898c8ee5 100644
--- a/Extension/package.json
+++ b/Extension/package.json
@@ -280,6 +280,23 @@
           "severity": 4,
           "message": 5
         }
+      },
+      {
+        "name": "armcc5",
+        "source": "armcc5",
+        "owner": "cpptools",
+        "fileLocation": [
+          "autoDetect",
+          "${cwd}"
+        ],
+        "pattern": {
+          "regexp": "^\"(.*)?\",\\s+line\\s+(\\d+):\\s+([Ee]rror|[Ww]arning):\\s+#(.*?):\\s+(.*)$",
+          "file": 1,
+          "line": 2,
+          "severity": 3,
+          "code": 4,
+          "message": 5
+        }
       }
     ],
     "configuration": [