diff --git a/ext/pdo_dblib/pdo_dblib.c b/ext/pdo_dblib/pdo_dblib.c
index ddce55dc361..12378fb0db2 100644
--- a/ext/pdo_dblib/pdo_dblib.c
+++ b/ext/pdo_dblib/pdo_dblib.c
@@ -121,7 +121,7 @@ int pdo_dblib_error_handler(DBPROCESS *dbproc, int severity, int dberr,
 }
 
 int pdo_dblib_msg_handler(DBPROCESS *dbproc, DBINT msgno, int msgstate,
-	int severity, char *msgtext, char *srvname, char *procname, DBUSMALLINT line)
+	int severity, char *msgtext, char *srvname, char *procname, int line)
 {
 	pdo_dblib_err *einfo;
 
diff --git a/ext/pdo_dblib/php_pdo_dblib_int.h b/ext/pdo_dblib/php_pdo_dblib_int.h
index ecd65f577c6..0a5c7898fcf 100644
--- a/ext/pdo_dblib/php_pdo_dblib_int.h
+++ b/ext/pdo_dblib/php_pdo_dblib_int.h
@@ -98,7 +98,7 @@ int pdo_dblib_error_handler(DBPROCESS *dbproc, int severity, int dberr,
 	int oserr, char *dberrstr, char *oserrstr);
 
 int pdo_dblib_msg_handler(DBPROCESS *dbproc, DBINT msgno, int msgstate,
-	int severity, char *msgtext, char *srvname, char *procname, DBUSMALLINT line);
+	int severity, char *msgtext, char *srvname, char *procname, int line);
 
 extern const pdo_driver_t pdo_dblib_driver;
 extern const struct pdo_stmt_methods dblib_stmt_methods;