diff --git a/sys/isa/pnp.c b/sys/isa/pnp.c
index 6409818016b..903087413ac 100644
--- a/sys/isa/pnp.c
+++ b/sys/isa/pnp.c
@@ -399,7 +399,7 @@ pnp_scan_resdata(device_t parent, pnp_id *p, int csn)
 			}
 
 			switch (PNP_SRES_NUM(tag)) {
-			case PNP_TAG_LOGIGAL_DEVICE:
+			case PNP_TAG_LOGICAL_DEVICE:
 				/* 
 				 * A new logical device. Scan
 				 * resourcea and add device.
diff --git a/sys/isa/pnpreg.h b/sys/isa/pnpreg.h
index fed7a4c9464..9c9b6f333d1 100644
--- a/sys/isa/pnpreg.h
+++ b/sys/isa/pnpreg.h
@@ -235,7 +235,7 @@
 
 /* Small Resource Item names */
 #define PNP_TAG_VERSION		0x1
-#define PNP_TAG_LOGIGAL_DEVICE	0x2
+#define PNP_TAG_LOGICAL_DEVICE	0x2
 #define PNP_TAG_COMPAT_DEVICE	0x3
 #define PNP_TAG_IRQ_FORMAT	0x4
 #define PNP_TAG_DMA_FORMAT	0x5