diff --git a/include/wx/isql.h b/include/wx/isql.h
index a86d193f00..e36c7cf679 100644
--- a/include/wx/isql.h
+++ b/include/wx/isql.h
@@ -60,6 +60,7 @@ typedef long int SDWORD;
 typedef short int SWORD;
 typedef unsigned long int UDWORD;
 typedef unsigned short int UWORD;
+typedef long SQLINTEGER;
 
 typedef void FAR *PTR;
 typedef void FAR *HENV;