diff --git a/plugins/copybuffer/copybuffer.plugin.zsh b/plugins/copybuffer/copybuffer.plugin.zsh
index 87a658d93..e67f920f0 100644
--- a/plugins/copybuffer/copybuffer.plugin.zsh
+++ b/plugins/copybuffer/copybuffer.plugin.zsh
@@ -11,4 +11,6 @@ copybuffer () {
 
 zle -N copybuffer
 
-bindkey "^O" copybuffer
+bindkey -M emacs "^O" copybuffer
+bindkey -M viins "^O" copybuffer
+bindkey -M vicmd "^O" copybuffer