diff --git a/sitespeed.io b/sitespeed.io
index 25ef31bf4..8a8302df8 100755
--- a/sitespeed.io
+++ b/sitespeed.io
@@ -40,7 +40,7 @@ URL="$1"
 USER=""
 PASSWORD=""
 
-if ["$3" != ""]
+if [[ "$3" != "" && "$4" != "" ]]
 then
 	USER="--http-user=$3"
 	PASSWORD="--http-password=$4"