diff --git a/src/UI/Popup/TagRendering/SpecialTranslation.svelte b/src/UI/Popup/TagRendering/SpecialTranslation.svelte
index a9d5eff00..7e65bf60f 100644
--- a/src/UI/Popup/TagRendering/SpecialTranslation.svelte
+++ b/src/UI/Popup/TagRendering/SpecialTranslation.svelte
@@ -38,7 +38,7 @@
         let key = "cached_special_spec_" + $language
         specs = t[key]
         if (specs === undefined) {
-          specs = SpecialVisualizations.constructSpecification(txt)
+          specs = SpecialVisualizations.constructSpecification(txt) ?? []
           t[key] = specs
         }
       }
@@ -69,8 +69,9 @@
     }
   }
 </script>
-
-{#if lang === "*"}
+{#if specs === undefined}
+  <!-- Empty -->
+{:else if lang === "*"}
   {#each specs as specpart}
     {#if typeof specpart === "string"}
       <span class={clss}>