diff --git a/root/etc/cont-init.d/98-npmglobal b/root/etc/cont-init.d/98-npmglobal
index 648946f..8088d9d 100644
--- a/root/etc/cont-init.d/98-npmglobal
+++ b/root/etc/cont-init.d/98-npmglobal
@@ -8,6 +8,11 @@ if [ -f /usr/bin/npm ]; then
   echo "setting npm to global folder in /config"
   npm config set prefix '/config/npm-global'
 
-  echo "ensuring npm-global is in PATH"
-  sed -i '/^#!\/usr\/bin/a \\n# Added by codeserver-npmglobal\nexport PATH=/config/npm-global/bin:$PATH' /etc/services.d/code-server/run
+  if grep -q "/config/npm-global/bin" "/etc/services.d/code-server/run"; then
+    echo "npm-global already in PATH"
+  else
+    echo "ensuring npm-global is in PATH"
+    sed -i '/^#!\/usr\/bin/a \\n# Added by codeserver-npmglobal\nexport PATH=/config/npm-global/bin:$PATH' /etc/services.d/code-server/run
+  fi
+  
 fi