diff --git a/plugins/sudo/sudo.plugin.zsh b/plugins/sudo/sudo.plugin.zsh
index e3ba39918..0ba8bed5b 100644
--- a/plugins/sudo/sudo.plugin.zsh
+++ b/plugins/sudo/sudo.plugin.zsh
@@ -14,7 +14,11 @@
 
 sudo-command-line() {
     [[ -z $BUFFER ]] && zle up-history
-    [[ $BUFFER != sudo\ * ]] && LBUFFER="sudo $LBUFFER"
+    if [[ $BUFFER == sudo\ * ]]; then
+        LBUFFER="${LBUFFER#sudo }"
+    else
+        LBUFFER="sudo $LBUFFER"
+    fi
 }
 zle -N sudo-command-line
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