diff --git a/tools/idevicedebug.c b/tools/idevicedebug.c
index 4169920..437faba 100644
--- a/tools/idevicedebug.c
+++ b/tools/idevicedebug.c
@@ -334,9 +334,15 @@
 				fprintf(stderr, "Could not start installation proxy service.\n");
 				goto cleanup;
 			}
+
+			instproxy_client_get_path_for_bundle_identifier(instproxy_client, bundle_identifier, &path);
+			if (!path) {
+				fprintf(stderr, "Invalid bundle identifier: %s\n", bundle_identifier);
+				goto cleanup;
+			}
+
 			plist_t container = NULL;
 			instproxy_client_get_object_by_key_from_info_dictionary_for_bundle_identifier(instproxy_client, bundle_identifier, "Container", &container);
-			instproxy_client_get_path_for_bundle_identifier(instproxy_client, bundle_identifier, &path);
 			instproxy_client_free(instproxy_client);
 			instproxy_client = NULL;