diff --git a/ipl/ipl.c b/ipl/ipl.c
index b69cfb6..22abca6 100644
--- a/ipl/ipl.c
+++ b/ipl/ipl.c
@@ -426,9 +426,13 @@
 	if (numbuf[0] == 'l')
 	{
 	    join(commandline, argc, argv, ok);
-	    if (numbuf[1] == ' ')
+	    if (numbuf[1] == ' ') {
+		/* add trailing slash */
+		p = strrchr(numbuf, '/');
+		if (p && p[1] != 0)
+			strcat(numbuf, "/");
 		ls(&numbuf[2]);
-	    else
+	    } else
 		ls(argv[0]);
 	    continue;
 	}