diff --git a/src/octoprint/server/api/__init__.py b/src/octoprint/server/api/__init__.py
index 82d5d0f4..dc4a1661 100644
--- a/src/octoprint/server/api/__init__.py
+++ b/src/octoprint/server/api/__init__.py
@@ -245,6 +245,9 @@ def utilTestPath():
 		from octoprint.util.paths import normalize
 
 		path = normalize(data["path"])
+		if not path:
+			return jsonify(path=path, exists=False, typeok=False, access=False, result=False)
+
 		check_type = None
 		check_access = []