diff --git a/drivers/ipack/ipack.c b/drivers/ipack/ipack.c
index 575c4f29e0f746425a281659b8a0bc253e5646ed..a1e07a77d4e6ff546251c7cdc16cd490ab5d6bdb 100644
--- a/drivers/ipack/ipack.c
+++ b/drivers/ipack/ipack.c
@@ -212,7 +212,7 @@ struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
 	int bus_nr;
 	struct ipack_bus_device *bus;
 
-	bus = kzalloc(sizeof(struct ipack_bus_device), GFP_KERNEL);
+	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 	if (!bus)
 		return NULL;