diff --git a/common/comic_db.cpp b/common/comic_db.cpp
index 3f0d0de6..90098d44 100644
--- a/common/comic_db.cpp
+++ b/common/comic_db.cpp
@@ -533,6 +533,8 @@ QString ComicInfo::getTypeString()
         return "Web Comic";
     case YACReader::FileType::Yonkoma:
         return "4-Koma";
+    default:
+        return "Unknown";
     }
 }