X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/8b38dbb8756bb78be7f75b9fe1c54ed7f60dfd0e..8cbf6ef70f36c41f648f3a9950fa407a7100c0bf:/src/src/receive.c

diff --git a/src/src/receive.c b/src/src/receive.c
index cbf85b065..5dc9bb584 100644
--- a/src/src/receive.c
+++ b/src/src/receive.c
@@ -3794,7 +3794,7 @@ else
       break;
     }
 
-  g = string_append(g, 2, US"F=",
+  g = string_append(NULL, 2, US"F=",
     sender_address[0] == 0 ? US"<>" : sender_address);
   g = add_host_info_for_log(g);