diff --git a/src/pages/SnapshotCreate.jsx b/src/pages/SnapshotCreate.jsx
index fbabf7a..0bc663a 100644
--- a/src/pages/SnapshotCreate.jsx
+++ b/src/pages/SnapshotCreate.jsx
@@ -60,7 +60,7 @@ export class SnapshotCreate extends Component {
             } else {
                 this.setState({
                     lastResolvedPath: currentPath,
-                    resolvedSource: null,
+                    resolvedSource: "",
                 });
 
                 this.maybeResolveCurrentPath(currentPath);