diff --git a/src/www.c b/src/www.c
index 4041b2b..453ecf2 100644
--- a/src/www.c
+++ b/src/www.c
@@ -100,7 +100,7 @@ static int iterate_post(void *coninfo_cls, enum MHD_ValueKind kind,
 
 	if (size == 0)
 		return MHD_NO;
-	if (con_info != NULL)
+	if (con_info == NULL)
 		return MHD_NO;
 	if (con_info->connection_type != POST)
 		return MHD_NO;