X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/015fff57c854184f8bce61476c46a2830a97daf8..2bafe3fc82cf62f0c21f939f5891b8d067f3abc7:/src/src/deliver.c

diff --git a/src/src/deliver.c b/src/src/deliver.c
index 8b7998f37..87e944b03 100644
--- a/src/src/deliver.c
+++ b/src/src/deliver.c
@@ -6153,9 +6153,10 @@ else if (system_filter && process_recipients != RECIP_FAIL_TIMEOUT)
           if (!tmp)
             p->message = string_sprintf("failed to expand \"%s\" as a "
               "system filter transport name", tpname);
-	  if (is_tainted2(tmp, 0, m = string_sprintf("Tainted values '%s' "
-              "for transport '%s' as a system filter", tmp, tpname)))
+          { uschar *m;
+	  if (m = is_tainted2(tmp, 0, "Tainted values '%s' " "for transport '%s' as a system filter", tmp, tpname))
             p->message = m;
+          }
           tpname = tmp;
           }
         else