diff --git a/year4/semester2/CT420/assignments/assignment1/code/query.sh b/year4/semester2/CT420/assignments/assignment1/code/query.sh
index 63db46c5..eb3a54d2 100755
--- a/year4/semester2/CT420/assignments/assignment1/code/query.sh
+++ b/year4/semester2/CT420/assignments/assignment1/code/query.sh
@@ -12,7 +12,7 @@ for i in $(seq 1 24); do
             gsub(/ +/, "\t");
             print(timestamp "\t" $0);
         }
-    ' >> "$file"
+    ' | tee "$file"
 
     # do nothing for 20 minutes
     sleep 20m