diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 779d1443cb01..637ea8af661f 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -1026,6 +1026,7 @@ static void dgap_release_remap(struct board_t *brd)
 	release_mem_region(brd->membase, 0x200000);
 	release_mem_region(brd->membase + PCI_IO_OFFSET, 0x200000);
 	iounmap(brd->re_map_membase);
+	iounmap(brd->re_map_port);
 }
 /*****************************************************************************
 *