diff --git a/src/superio/fintek/f71805f/superio.c b/src/superio/fintek/f71805f/superio.c
index 50801dda22..8a5d3abec9 100644
--- a/src/superio/fintek/f71805f/superio.c
+++ b/src/superio/fintek/f71805f/superio.c
@@ -30,6 +30,7 @@
 static void pnp_enter_conf_state(device_t dev)
 {
 	outb(0x87, dev->path.pnp.port);
+	outb(0x87, dev->path.pnp.port);
 }
 
 static void pnp_exit_conf_state(device_t dev)
diff --git a/src/superio/fintek/f71859/superio.c b/src/superio/fintek/f71859/superio.c
index c6fe6169f6..445f66a6b5 100755
--- a/src/superio/fintek/f71859/superio.c
+++ b/src/superio/fintek/f71859/superio.c
@@ -31,6 +31,7 @@
 static void pnp_enter_conf_state(device_t dev)
 {
 	outb(0x87, dev->path.pnp.port);
+	outb(0x87, dev->path.pnp.port);
 }
 
 static void pnp_exit_conf_state(device_t dev)
diff --git a/src/superio/fintek/f71863fg/superio.c b/src/superio/fintek/f71863fg/superio.c
index e5d140859a..ccfde171a6 100644
--- a/src/superio/fintek/f71863fg/superio.c
+++ b/src/superio/fintek/f71863fg/superio.c
@@ -30,6 +30,7 @@
 static void pnp_enter_conf_state(device_t dev)
 {
 	outb(0x87, dev->path.pnp.port);
+	outb(0x87, dev->path.pnp.port);
 }
 
 static void pnp_exit_conf_state(device_t dev)
diff --git a/src/superio/fintek/f71889/superio.c b/src/superio/fintek/f71889/superio.c
index e5a39ca255..177a7b8a10 100644
--- a/src/superio/fintek/f71889/superio.c
+++ b/src/superio/fintek/f71889/superio.c
@@ -30,6 +30,7 @@
 static void pnp_enter_conf_state(device_t dev)
 {
 	outb(0x87, dev->path.pnp.port);
+	outb(0x87, dev->path.pnp.port);
 }
 
 static void pnp_exit_conf_state(device_t dev)