diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 10d2580..47bf6b3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Apply problem matcher
         uses: ./
         with:
-          build-directory: build/
+          build-directory: ""
       
       - name: Test problem matcher
         run: |
diff --git a/dist/index.js b/dist/index.js
index 18b78d9..4efab8a 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2863,7 +2863,7 @@ const matcherPath = __nccwpck_require__.ab + "gcc_matcher.json";
 
 // rootdir :: string
 const rootdir = () =>
-	core.getInput('build-directory', {required: false}) || "/build";
+	core.getInput('build-directory', {required: false});
 
 // parse :: IO() => IO() => Error | null
 const parse = (templatePath) => (matcherPath) => {
diff --git a/src/index.js b/src/index.js
index bae4398..0a60ade 100644
--- a/src/index.js
+++ b/src/index.js
@@ -19,18 +19,13 @@ const templatePath = path.join(__dirname, "gcc_matcher.jsontemplate");
 const matcherPath = path.join(__dirname, "gcc_matcher.json");
 
 // rootdir :: string
-const rootdir = () =>
-	core.getInput('build-directory', {required: false});
+const rootdir = core.getInput('build-directory', {required: false});
 
 // parse :: IO() => IO() => Error | null
 const parse = (templatePath) => (matcherPath) => {
-	const r = rootdir();
-
-	console.log(r);
-
 	const content = fs.readFileSync(templatePath, 'utf-8');
 
-	const parsed = content.replace(variable("BASE"), escapeRegExp(rootdir()));
+	const parsed = content.replace(variable("BASE"), escapeRegExp(rootdir));
 
 	fs.writeFileSync(matcherPath, parsed);