diff --git a/utils/script.sh b/utils/script.sh
index 99803fc0..c7c6a835 100755
--- a/utils/script.sh
+++ b/utils/script.sh
@@ -25,7 +25,7 @@ cut -f 1 -d ':' | \
 # Remove www
 # Only matches domains that start with www
 # Not examplewww.com
-sed ':a;N;$!ba;s/\nwww\./\n/g' | \
+sed -e ':a' -e 'N' -e '$!ba' -e 's/\nwww\./\n/g' | \
 # Sort and remove duplicates
 sort -u | \
 # Exclude Umbrella Top 1M. grep inverse match whole line
diff --git a/utils/umbrella-top-1m.sh b/utils/umbrella-top-1m.sh
index 904e9085..185c04b5 100755
--- a/utils/umbrella-top-1m.sh
+++ b/utils/umbrella-top-1m.sh
@@ -16,7 +16,7 @@ cut -f 2 -d ',' | \
 # Remove www
 # Only matches domains that start with www
 # Not examplewww.com
-sed ':a;N;$!ba;s/\nwww\./\n/g' | \
+sed -e ':a' -e 'N' -e '$!ba' -e 's/\nwww\./\n/g' | \
 # Remove duplicates
 sort -u > ../src/top-1m.txt