diff --git a/degesch.c b/degesch.c
index 041fa4f..132fcec 100644
--- a/degesch.c
+++ b/degesch.c
@@ -6722,7 +6722,7 @@ handle_command_set_assign
 	else if (!strcmp (op, "-="))  remove = true;
 	else if  (strcmp (op, "="))   return false;
 
-	if (!arguments)
+	if (!*arguments)
 		return false;
 
 	struct error *e = NULL;
@@ -7283,7 +7283,7 @@ static bool
 handle_server_add (struct handler_args *a)
 {
 	char *name = cut_word (&a->arguments);
-	if (*a->arguments)
+	if (!*a->arguments)
 		return false;
 
 	struct app_context *ctx = a->ctx;