diff --git a/get_recommended_filters.sh b/get_recommended_filters.sh
index 032fba6..a0cb3a5 100644
--- a/get_recommended_filters.sh
+++ b/get_recommended_filters.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-source $(dirname "$0")/helpers.sh
+source "$(dirname "$0")/helpers.sh"
 
 # declare an array of urls
 urls=(
diff --git a/get_recommended_whitelist.sh b/get_recommended_whitelist.sh
index a2b0a07..f13d79b 100644
--- a/get_recommended_whitelist.sh
+++ b/get_recommended_whitelist.sh
@@ -3,7 +3,7 @@
 # Use the provided lists or add your own.
 # There is no limit on the amount of whitelisted domains you can have.
 
-source $(dirname "$0")/helpers.sh
+source "$(dirname "$0")/helpers.sh"
 
 # declare an array of urls
 urls=(