diff --git a/lib/helpers.bash b/lib/helpers.bash
index 791b4f59f0..ec093b7ed2 100644
--- a/lib/helpers.bash
+++ b/lib/helpers.bash
@@ -26,7 +26,7 @@ function _command_exists ()
   _example '$ _command_exists ls && echo exists'
   _group 'lib'
   local msg="${2:-Command '$1' does not exist\!}"
-  if type "$1" &> /dev/null
+  if type -t "$1" &> /dev/null
 	then
 		return "$?"
 	else