diff --git a/generate-rules-dat.sh b/generate-rules-dat.sh
index 04f3863f2e..6de44fa39f 100644
--- a/generate-rules-dat.sh
+++ b/generate-rules-dat.sh
@@ -41,8 +41,9 @@ echo -e "${GREEN}>>> Finished Chinalist ${NC}"
 
 echo -e "${GREEN}>>> generating AdBlock domains list...${NC}"
 curl -sSL $ADBLOCK_DOMAINS_URL \
-  | grep -eov '^(\d{1,3}\.){3}\d{1,3}' \
-  | grep -eov '^[^.]$' \
+  | grep -Eov '^(\d{1,3}\.){3}\d{1,3}' \
+  | grep -Eov '^[^.]+$' \
+  | grep -eo  '^(([a-zA-Z0-9]+[a-zA-Z0-9-]*)+\.)+[a-zA-Z0-9]{2,}$' \
   > $GOPATH/src/$GEOSITE_REPO/data/adblocklist
 
   # | grep -eo  '^(([a-zA-Z0-9]+[a-zA-Z0-9-]*)+\.)+[a-zA-Z0-9]{2,}$' \