diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8bb1cd6..46f7955 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ on:
     workflow_dispatch:
 
 env:
-  DCAP_IMAGE_ID: 0x4052beb38db7869b15596d53c2d5c02c9307faffca9215e69b0f0d0e1812a6c2
+  DCAP_IMAGE_ID: "0x4052beb38db7869b15596d53c2d5c02c9307faffca9215e69b0f0d0e1812a6c2"
 
 jobs:
   check: