diff --git a/plugins/npm/npm.plugin.zsh b/plugins/npm/npm.plugin.zsh
index c3eb91d31..b8b3a24bb 100644
--- a/plugins/npm/npm.plugin.zsh
+++ b/plugins/npm/npm.plugin.zsh
@@ -1 +1,4 @@
+if [ Cygwin = "$(uname -o 2>/dev/null)" ]; then
+    return
+fi
 eval "$(npm completion 2>/dev/null)"