diff --git a/.drone.yml b/.drone.yml
index c662a99..c802340 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,16 +1,12 @@
 kind: pipeline
 name: test-on-amd64
 
-environment:
-    RUST_IMAGE:
-      from_secret: RUST_IMAGE
-
 platform:
   arch: amd64
 
 steps:
 - name: test
-  image: ${RUST_IMAGE}
+  image: "${RUST_IMAGE}"
   commands:
   - rustc --version
   - cargo --version
@@ -23,13 +19,9 @@ name: test-on-arm64
 platform:
   arch: arm64
 
-environment:
-    RUST_IMAGE:
-      from_secret: RUST_IMAGE
-
 steps:
 - name: test
-  image: ${RUST_IMAGE}
+  image: "${RUST_IMAGE}"
   commands:
   - rustc --version
   - cargo --version