diff --git a/libexec/rbenv-init b/libexec/rbenv-init
index 0ae9cf47..d8de64a0 100755
--- a/libexec/rbenv-init
+++ b/libexec/rbenv-init
@@ -97,7 +97,7 @@ rbenv() {
 
   case "\$command" in
   ${commands[*]})
-    eval \`rbenv "sh-\$command" "\$@"\`;;
+    eval "\`rbenv "sh-\$command" "\$@"\`";;
   *)
     command rbenv "\$command" "\$@";;
   esac