diff --git a/app/assets/javascripts/ml/model_registry/apps/index_ml_models.vue b/app/assets/javascripts/ml/model_registry/apps/index_ml_models.vue
index 4dca905eaa7408b52c825fb8ae6698f59e7422b5..4894b8b69e4681361d47dd2c5a8ddeb661beed0e 100644
--- a/app/assets/javascripts/ml/model_registry/apps/index_ml_models.vue
+++ b/app/assets/javascripts/ml/model_registry/apps/index_ml_models.vue
@@ -70,7 +70,7 @@ export default {
   data() {
     return {
       models: [],
-      errorMessage: undefined,
+      errorMessage: '',
       skipQueries: true,
       queryVariables: {},
     };
@@ -99,7 +99,7 @@ export default {
         sort: variables.sort?.toUpperCase() || 'DESC',
       };
 
-      this.errorMessage = null;
+      this.errorMessage = '';
       this.skipQueries = false;
 
       this.$apollo.queries.models.fetchMore({});