diff --git a/lib/kv_pair.c b/lib/kv_pair.c
index 2572c64..336ee4f 100644
--- a/lib/kv_pair.c
+++ b/lib/kv_pair.c
@@ -56,7 +56,7 @@
 {
 	struct kv_pair *kv;
 
-	kv = calloc(0, sizeof(*kv));
+	kv = calloc(1, sizeof(*kv));
 	if (!kv)
 		return NULL;