diff --git a/src/common/longlong.cpp b/src/common/longlong.cpp
index 824f039db2..44415d8dab 100644
--- a/src/common/longlong.cpp
+++ b/src/common/longlong.cpp
@@ -608,7 +608,7 @@ void *wxLongLongWx::asArray(void) const
 #endif // wxUSE_LONGLONG_WX
 
 wxString
-#ifdef wxUSE_LONGLONG_NATIVE
+#if wxUSE_LONGLONG_NATIVE
 wxLongLongNative
 #else
 wxLognLongWx