diff --git a/.drone.yml b/.drone.yml
index d74a0e5..9448920 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -34,25 +34,25 @@ steps:
     -H "Authorization: Bearer ${CLOUDFLARE_TOKEN}"
     -H "Content-Type: application/json"
   - >
-    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
-    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
+    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records"
+    -H "Authorization: Bearer ${CLOUDFLARE_TOKEN}"
     -H "Content-Type: application/json"
-    --data '{"type":"A","name":"'"$DOMAIN"'","content":"'"$machineip"'","ttl":3600,"priority":10,"proxied":false}'
+    --data '{"type":"A","name":"'"${DOMAIN}"'","content":"'"${machineip}"'","ttl":3600,"priority":10,"proxied":false}'
   - >
-    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
-    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
+    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records"
+    -H "Authorization: Bearer ${CLOUDFLARE_TOKEN}"
     -H "Content-Type: application/json"
-    --data '{"type":"MX","name":"@","content":"'"$DOMAIN"'","ttl":3600,"priority":10,"proxied":false}'
+    --data '{"type":"MX","name":"@","content":"'"${DOMAIN}"'","ttl":3600,"priority":10,"proxied":false}'
   - >
-    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
-    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
+    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records"
+    -H "Authorization: Bearer ${CLOUDFLARE_TOKEN}"
     -H "Content-Type: application/json"
     --data '{"type":"TXT","name":"_dmarc","content":"v=DMARC1; p=none","ttl":18000,"priority":10,"proxied":false}'
   - >
-    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
-    -H "Authorization: Bearer $CLOUDFLARE_TOKEN"
+    curl -s -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records"
+    -H "Authorization: Bearer ${CLOUDFLARE_TOKEN}"
     -H "Content-Type: application/json"
-    --data '{"type":"TXT","name":"'"$DOMAIN"'","content":"v=spf1 a mx ip4:'"$machineip"' -all","ttl":18000,"priority":10,"proxied":false}'
+    --data '{"type":"TXT","name":"'"${DOMAIN}"'","content":"v=spf1 a mx ip4:'"$machineip"' -all","ttl":18000,"priority":10,"proxied":false}'
 
 - name: sleep
   commands: