diff --git a/ccm-core-apiclient/src/main/typescript/ccm-core-apiclient.ts b/ccm-core-apiclient/src/main/typescript/ccm-core-apiclient.ts
index 936647b9e..c4e36d68a 100644
--- a/ccm-core-apiclient/src/main/typescript/ccm-core-apiclient.ts
+++ b/ccm-core-apiclient/src/main/typescript/ccm-core-apiclient.ts
@@ -148,7 +148,7 @@ export class CategorizationApiClient {
                 throw `Failed to update category ${path} of domain ${domain}:
                 ${response.status} ${response.statusText}`;
             }
-        } catch {
+        } catch(err) {
             throw `Failed to delete category ${path} of domain ${domain}: ${err}`;
         }
     }