diff --git a/src/core/main.c b/src/core/main.c
index 6e3796f9dc..b627916a25 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1501,7 +1501,7 @@ static int become_shutdown(int objective, int retval) {
                 break;
 
         case LOG_TARGET_NULL:
-                command_line[pos++] = "--log_target=null";
+                command_line[pos++] = "--log-target=null";
                 break;
 
         case LOG_TARGET_CONSOLE: