diff --git a/src/freedombone-client b/src/freedombone-client
index 370f7167..88ca7ad0 100755
--- a/src/freedombone-client
+++ b/src/freedombone-client
@@ -295,7 +295,7 @@ function verify_ssh_server_key {
     kill ${pid}
 }
 
-while [[ $# > 0 ]]
+while [ $# -gt 0 ]
 do
     key="$1"