diff --git a/src/app/i18n/strings.cpp b/src/app/i18n/strings.cpp
index 2e1c8397e..1655e949a 100644
--- a/src/app/i18n/strings.cpp
+++ b/src/app/i18n/strings.cpp
@@ -64,7 +64,7 @@ std::set<std::string> Strings::availableLanguages() const
     }
   }
 
-  ASSERT(result.find(kDefLanguage) != result.end);
+  ASSERT(result.find(kDefLanguage) != result.end());
   return result;
 }