diff --git a/src/common/intl.cpp b/src/common/intl.cpp
index 548776f481..c1055e99e3 100644
--- a/src/common/intl.cpp
+++ b/src/common/intl.cpp
@@ -1795,6 +1795,7 @@ bool wxLocale::Init(int language, int flags)
         return false;
     }
 #else
+    wxUnusedVar(flags);
     return false;
     #define WX_NO_LOCALE_SUPPORT
 #endif