diff --git a/cmds/installd/installd.c b/cmds/installd/installd.c
index b54d56c..ca69fff 100644
--- a/cmds/installd/installd.c
+++ b/cmds/installd/installd.c
@@ -243,7 +243,9 @@
                 goto done;
             }
         }
-        cmd++;
+        if (*cmd) {
+          cmd++;
+        }
     }
 
     for (i = 0; i < sizeof(cmds) / sizeof(cmds[0]); i++) {