diff --git a/tools/enso4igv/src/main/java/org/enso/tools/enso4igv/EnsoRootProject.java b/tools/enso4igv/src/main/java/org/enso/tools/enso4igv/EnsoRootProject.java
index a86ad22365..0706eebe6a 100644
--- a/tools/enso4igv/src/main/java/org/enso/tools/enso4igv/EnsoRootProject.java
+++ b/tools/enso4igv/src/main/java/org/enso/tools/enso4igv/EnsoRootProject.java
@@ -71,7 +71,11 @@ final class EnsoRootProject implements Project {
 
     @Override
     public Node findPath(Node node, Object o) {
-      return org.openide.nodes.NodeOp.findChild(node, (String) o);
+      if (o instanceof String path) {
+        return org.openide.nodes.NodeOp.findChild(node, path);
+      } else {
+        return null;
+      }
     }
   }