diff --git a/lib/page.c b/lib/page.c
index a7f48cd972ff8a0c541a1a8b4387916dc5a4dd00..d2ccc37779d23f8cd4a1c9abf5dab8172b60d68f 100644
--- a/lib/page.c
+++ b/lib/page.c
@@ -102,7 +102,7 @@ int page_map_add(unsigned long start, unsigned long end,
 	} while ((*(++pg)));
 
 
-	if (!pg) {
+	if (!(*pg)) {
 		pr_err("PAGE MEM: map space exceeded, cannot add map\n");
 		goto error;
 	}