diff --git a/.github/workflows/json-build.yml b/.github/workflows/json-build.yml
index 22ccc6b9b8..1031c52a29 100644
--- a/.github/workflows/json-build.yml
+++ b/.github/workflows/json-build.yml
@@ -37,7 +37,7 @@ jobs:
         pkg: ${{ fromJson(inputs.packages) }}
         version: ["42"]
       fail-fast: false
-    runs-on: ${{ inputs.custom_builder && inputs.custom_builder || (matrix.pkg.arch == 'aarch64' && matrix.pkg.labels['large']) && 'arm64-lg' || matrix.pkg.arch == 'aarch64' && 'ubuntu-22.04-arm' || matrix.pkg.labels['large'] && 'cirun-x86-64-lg--${{ github.run_id }}"' || 'ubuntu-22.04' }}
+    runs-on: ${{ inputs.custom_builder && inputs.custom_builder || (matrix.pkg.arch == 'aarch64' && matrix.pkg.labels['large']) && 'arm64-lg' || matrix.pkg.arch == 'aarch64' && 'ubuntu-22.04-arm' || matrix.pkg.labels['large'] && format('cirun-x86-64-lg--{0}', github.run_id) || 'ubuntu-22.04' }}
     container:
       image: ghcr.io/terrapkg/builder:f${{ matrix.version }}
       options: --cap-add=SYS_ADMIN --privileged