diff --git a/mvwrap/mvwrap b/mvwrap/mvwrap
index 0e80f9d..2922539 100755
--- a/mvwrap/mvwrap
+++ b/mvwrap/mvwrap
@@ -381,7 +381,7 @@ mvwlock();
 $SIG{__DIE__} = 'cleanup';
 
 cmdline;
-unless (defined @source) { @source = read_cur_dir; }
+unless (@source) { @source = read_cur_dir; }
 
 if (@pattern) {
 	@target = @source;