diff --git a/goto.bash b/goto.bash
index 3839848..77f0e80 100644
--- a/goto.bash
+++ b/goto.bash
@@ -101,7 +101,7 @@ function _goto_register_alias()
     return
   fi
 
-  if ! [[ $1 =~ ^[[:alnum:]][[:alpha:]]+[a-zA-Z0-9_-]*$ ]]; then
+  if ! [[ $1 =~ ^[[:alnum:]]+[a-zA-Z0-9_-]*$ ]]; then
     _goto_error "invalid alias - only alphabetic with numbers, hyphens, and underscores. Can only start with letters and numbers."
     return
   fi