diff --git a/sys/dev/pccard/pccardvar.h b/sys/dev/pccard/pccardvar.h
index c26da6f3bd15..ab2fdd2dccda 100644
--- a/sys/dev/pccard/pccardvar.h
+++ b/sys/dev/pccard/pccardvar.h
@@ -95,7 +95,7 @@ struct pccard_product {
  */
 #define PCCARD_PNP_DESCR "D:#;V32:manufacturer;V32:product;Z:cisvendor;Z:cisproduct;"
 #define PCCARD_PNP_INFO(t) \
-	MODULE_PNP_INFO(PCCARD_PNP_DESCR, pccard, t, t, sizeof(t[0]), sizeof(t) / sizeof(t[0])); \
+	MODULE_PNP_INFO(PCCARD_PNP_DESCR, pccard, t, t, sizeof(t[0]), sizeof(t) / sizeof(t[0]) - 1); \
 
 typedef int (*pccard_product_match_fn) (device_t dev,
     const struct pccard_product *ent, int vpfmatch);