diff --git a/.install/update_bashrc.sh b/.install/update_bashrc.sh
index 9a45e24..b674584 100755
--- a/.install/update_bashrc.sh
+++ b/.install/update_bashrc.sh
@@ -33,7 +33,7 @@ else
 	echo "G1PUB=$newG1PUB" >> ~/.bashrc
 	echo "IPFSNODEID=$newIPFSNODEID" >> ~/.bashrc
 	echo "IPNSKEY=_IPNSKEY_" >> ~/.bashrc
-	echo "XZUID=$XZUID" >> ~/.bashrc
+	[[ "$XZUID" != "" ]] && echo "XZUID=$XZUID" >> ~/.bashrc
 fi
 source ~/.bashrc