diff --git a/lib/devmode.bash b/lib/devmode.bash
index ade7f57..9e282c6 100755
--- a/lib/devmode.bash
+++ b/lib/devmode.bash
@@ -12,7 +12,7 @@ function assert_normal_user {
 
 function assert_credentials {
   local base_url
-  base_url=$(echo "$GIT_URL" | cut -d: -f0)
+  base_url=$(echo "$GIT_URL" | cut -d: -f1)
   if ! ssh -T "git@${base_url}"; then
     echo "credentials missing: $base_url"
     return 2