diff --git a/examples/repl/cmdline.rs b/examples/repl/cmdline.rs
index 2e465aca1..dfdac887b 100644
--- a/examples/repl/cmdline.rs
+++ b/examples/repl/cmdline.rs
@@ -879,7 +879,7 @@ pub fn dc_cmdline(context: &Context, line: &str) -> Result<(), failure::Error> {
         }
         "forward" => {
             ensure!(
-                !arg1.is_empty() && arg2.is_empty(),
+                !arg1.is_empty() && !arg2.is_empty(),
                 "Arguments <msg-id> <chat-id> expected"
             );