diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 68b0c04..ba437b7 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -278,9 +278,11 @@
 		switch (pnp_resource_type(res)) {
 		case IORESOURCE_IO:
 		case IORESOURCE_MEM:
-			pnp_printf(buffer, " %#llx-%#llx\n",
+			pnp_printf(buffer, " %#llx-%#llx%s\n",
 				   (unsigned long long) res->start,
-				   (unsigned long long) res->end);
+				   (unsigned long long) res->end,
+				   res->flags & IORESOURCE_WINDOW ?
+					" window" : "");
 			break;
 		case IORESOURCE_IRQ:
 		case IORESOURCE_DMA: