diff --git a/utils/umbrella-top-1m.sh b/utils/umbrella-top-1m.sh
index c58f4110..6f893b72 100755
--- a/utils/umbrella-top-1m.sh
+++ b/utils/umbrella-top-1m.sh
@@ -8,7 +8,7 @@
 wget https://s3-us-west-1.amazonaws.com/umbrella-static/top-1m.csv.zip -O top-1m.csv.zip
 
 # Decompress the zip and write output to stdout
-zcat -dc top-1m.csv.zip | \
+gunzip -dc top-1m.csv.zip | \
 # Parse domains only
 cut -f 2 -d ',' > ../src/top-1m.txt