diff --git a/lib/types/library/LibraryFormatter.js b/lib/types/library/LibraryFormatter.js
index 86e66e0b8..c3713ac66 100644
--- a/lib/types/library/LibraryFormatter.js
+++ b/lib/types/library/LibraryFormatter.js
@@ -276,10 +276,7 @@ class LibraryFormatter extends AbstractUi5Formatter {
 		// Remove base path from fsPath
 		const posixBasePath = this.getSourceBasePath(true);
 
-		// Can match /library/src as well as /library/src/some/namespace
-		const basePathPrefixRegExp = new RegExp(`^${posixBasePath}/?`);
-
-		if (!basePathPrefixRegExp.test(posixFsPath)) {
+		if (!posixFsPath.startsWith(posixBasePath)) {
 			if (posixBasePath === posixFsPath + "/") {
 				// The given file system path does not contain a namespace path
 				// It is equal to the source base path
@@ -289,7 +286,11 @@ class LibraryFormatter extends AbstractUi5Formatter {
 			throw new Error(`Given file system path ${posixFsPath} is not based on source base ` +
 				`path ${posixBasePath}.`);
 		}
-		const namespacePath = posixFsPath.replace(basePathPrefixRegExp, "");
+		let namespacePath = posixFsPath.replace(posixBasePath, "");
+		if (namespacePath.startsWith("/")) {
+			// Remove any leading slash
+			namespacePath = namespacePath.substr(1);
+		}
 		return namespacePath;
 	}
 
diff --git a/test/lib/types/library/LibraryFormatter.js b/test/lib/types/library/LibraryFormatter.js
index c7b372157..0033d30b5 100644
--- a/test/lib/types/library/LibraryFormatter.js
+++ b/test/lib/types/library/LibraryFormatter.js
@@ -1459,6 +1459,20 @@ test("getNamespaceFromFsPath: fsPath is not based on base path", async (t) => {
 	"Threw with correct error message");
 });
 
+test("getNamespaceFromFsPath: fsPath w/ regex metacharacters", async (t) => {
+	const myProject = clone(libraryETree);
+	myProject.resources.pathMappings = {
+		"/resources/": myProject.resources.configuration.paths.src
+	};
+
+	const libraryFormatter = new LibraryFormatter({project: myProject});
+	sinon.stub(libraryFormatter, "getSourceBasePath").returns("/some/(path");
+
+	const fsPath = "/some/(path/my/namespace";
+	const res = libraryFormatter.getNamespaceFromFsPath(fsPath);
+	t.deepEqual(res, "my/namespace", "Returned correct namespace");
+});
+
 test.serial("getPreloadExcludesFromDotLibrary: No excludes", async (t) => {
 	const log = {
 		verbose: sinon.stub()