X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/382bf15bed5d85fe017dd3b7d117eeb28f219358..bc3c7bb7d4aba3e563434e5627fe1f2176aa18c0:/src/src/setenv.c

diff --git a/src/src/setenv.c b/src/src/setenv.c
index 6da56d58d..eefbec09b 100644
--- a/src/src/setenv.c
+++ b/src/src/setenv.c
@@ -34,6 +34,9 @@ if (!name)
   return -1;
   }
 
+if (!environ)
+  return 0;
+
 for (end = name; *end != '=' && *end; ) end++;
 len = end - name;