X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/d185889f47b9b27088e777f7d382295c51271586..f1f7d0cddd4fb38d0bcf81be13d6e272789ff9c7:/src/src/route.c

diff --git a/src/src/route.c b/src/src/route.c
index e30ae0e68..857fc65db 100644
--- a/src/src/route.c
+++ b/src/src/route.c
@@ -157,7 +157,7 @@ options_from_list(optionlist_routers, nelem(optionlist_routers), US"ROUTERS", NU
 
 for (ri = routers_available; ri->driver_name[0]; ri++)
   {
-  snprintf(buf, sizeof(buf), "_DRIVER_ROUTER_%T", ri->driver_name);
+  spf(buf, sizeof(buf), "_DRIVER_ROUTER_%T", ri->driver_name);
   builtin_macro_create(buf);
   options_from_list(ri->options, (unsigned)*ri->options_count, US"ROUTER", ri->driver_name);
   }