diff --git a/sys/dev/iicbus/gpio/tca64xx.c b/sys/dev/iicbus/gpio/tca64xx.c
--- a/sys/dev/iicbus/gpio/tca64xx.c
+++ b/sys/dev/iicbus/gpio/tca64xx.c
@@ -416,7 +416,7 @@
 		goto fail;
 
 	addr = TCA64XX_REG_ADDR(pin, sc->polarity_inv_reg);
-	error = tca64xx_write(dev, addr, val);
+	error = tca64xx_write(dev, addr, inv_val);
 
 fail:
 	mtx_unlock(&sc->mtx);