diff --git a/programs/develop/libraries/http/http.asm b/programs/develop/libraries/http/http.asm
index 707f5ccfa0..79e2112785 100644
--- a/programs/develop/libraries/http/http.asm
+++ b/programs/develop/libraries/http/http.asm
@@ -669,7 +669,7 @@ proc HTTP_receive identifier ;//////////////////////////////////////////////////
         jne     .receive
 
         test    [ebp + http_msg.flags], FLAG_RING
-        jz      .need_more_space
+        jnz     .need_more_space
 
         test    [ebp + http_msg.flags], FLAG_STREAM
         jz      .err_header