diff --git a/include/wx/isql.h b/include/wx/isql.h
index 9edfae366a..5d4bb72fe2 100644
--- a/include/wx/isql.h
+++ b/include/wx/isql.h
@@ -55,8 +55,10 @@
 #define CALLBACK
 #define SQL_API				EXPORT CALLBACK
 
+#ifndef __EMX__
 typedef void *HWND;
 #endif
+#endif
 
 typedef void *SQLHWND;