diff --git a/src/libs/utils/utilsicons.cpp b/src/libs/utils/utilsicons.cpp
index e0aee6f6a4f..7e45891c110 100644
--- a/src/libs/utils/utilsicons.cpp
+++ b/src/libs/utils/utilsicons.cpp
@@ -458,6 +458,10 @@ QIcon CodeModelIcon::iconForType(CodeModelIcon::Type type)
         }, Icon::Tint).icon());
         return icon;
     }
+    case Unknown: {
+        const static QIcon icon(Icons::EMPTY16.icon());
+        return icon;
+    }
     default:
         break;
     }
diff --git a/src/plugins/languageclient/languageclientcompletionassist.cpp b/src/plugins/languageclient/languageclientcompletionassist.cpp
index 08a03754a52..e44c78db536 100644
--- a/src/plugins/languageclient/languageclientcompletionassist.cpp
+++ b/src/plugins/languageclient/languageclientcompletionassist.cpp
@@ -140,8 +140,7 @@ QIcon LanguageClientCompletionItem::icon() const
     case CompletionItemKind::Snippet: icon = QIcon(":/texteditor/images/snippet.png"); break;
     case CompletionItemKind::EnumMember: icon = iconForType(Enumerator); break;
     case CompletionItemKind::Struct: icon = iconForType(Struct); break;
-    default:
-        break;
+    default: icon = iconForType(Unknown); break;
     }
     return icon;
 }