diff --git a/plugins/npm/npm.plugin.zsh b/plugins/npm/npm.plugin.zsh
index b5166b51..02e4f3e9 100644
--- a/plugins/npm/npm.plugin.zsh
+++ b/plugins/npm/npm.plugin.zsh
@@ -7,6 +7,8 @@
     fi
 
     [[ -f $__NPM_COMPLETION_FILE ]] && source $__NPM_COMPLETION_FILE
+
+    unset __NPM_COMPLETION_FILE
 }
 
 # Install dependencies globally