diff --git a/.drone.yml b/.drone.yml
index e574eec..1bc5459 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,9 +11,9 @@ steps:
     image: thegeeklab/rpmbuild:7
     commands:
       - source /drone/src/.drone.env
-      - echo "https://github.com/OpenPrinting/cups/releases/download/$CUPS_VERSION/cups-${CUPS_VERSION##v}-source.tar.gz"
-      - wget -q "https://github.com/OpenPrinting/cups/releases/download/$CUPS_VERSION/cups-${CUPS_VERSION##v}-source.tar.gz"
-      - rpmbuild -ta --without libusb1 cups-${CUPS_VERSION##v}-source.tar.gz
+      - echo "https://github.com/OpenPrinting/cups/releases/download/$${CUPS_VERSION}/cups-$${CUPS_VERSION##v}-source.tar.gz"
+      - wget -q "https://github.com/OpenPrinting/cups/releases/download/$${CUPS_VERSION}/cups-$${CUPS_VERSION##v}-source.tar.gz"
+      - rpmbuild -ta --without libusb1 cups-$${CUPS_VERSION##v}-source.tar.gz
 
   - name: checksum
     image: thegee
@@ -93,6 +93,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 0336217b7833aa79b85a5e88529c558710c15bc48cbc15ba50bd4146d126d28f
+hmac: b4923bb7f5aa35db11986451b012a5e3e123aa76104a3e4a0c7a009778dc2c5d
 
 ...