diff --git a/plugins/rbenv/rbenv.plugin.zsh b/plugins/rbenv/rbenv.plugin.zsh
index 213e1beb0..812ebf35b 100644
--- a/plugins/rbenv/rbenv.plugin.zsh
+++ b/plugins/rbenv/rbenv.plugin.zsh
@@ -3,7 +3,7 @@ _homebrew-installed() {
 }
 
 _rbenv-from-homebrew-installed() {
-  brew --prefix rbenv &> /dev/null
+  brew ls rbenv &> /dev/null
 }
 
 FOUND_RBENV=0