diff --git a/.github/workflows/build_one.yml b/.github/workflows/build_one.yml
index ee10d37..ece1f3a 100644
--- a/.github/workflows/build_one.yml
+++ b/.github/workflows/build_one.yml
@@ -25,7 +25,7 @@ jobs:
   generate-matrix:
     runs-on: ubuntu-24.04
     outputs:
-      matrix: ${{ steps.list-build-matrix.outputs.matrix }}
+      configs: ${{ steps.list-build-matrix.outputs.configs }}
     steps:
       - name: checkout
         uses: actions/checkout@v4
@@ -48,14 +48,15 @@ jobs:
           GITHUB_INPUT: ${{ toJson(inputs) }}
 
   build:
-    if: ${{ needs.generate-matrix.outputs.matrix != '[]' && needs.generate-matrix.outputs.matrix != '' }}
+    if: ${{ needs.generate-matrix.outputs.configs != '[]' && needs.generate-matrix.outputs.configs != '' }}
     name : ${{ matrix.config.host_profile }}
     needs:
       - generate-matrix
     runs-on: ${{ matrix.config.build_machine }}
     strategy:
       fail-fast: false
-      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
+      matrix:
+        config: ${{ fromJson(needs.generate-matrix.outputs.configs) }}
     steps:
       - name: checkout
         uses: actions/checkout@v4
diff --git a/scripts/list_build_matrix.py b/scripts/list_build_matrix.py
index c9cf0d5..76c1502 100644
--- a/scripts/list_build_matrix.py
+++ b/scripts/list_build_matrix.py
@@ -16,21 +16,18 @@
 root_path = script_path.parent
 
 
-def get_build_matrix(package_reference, conanfile, selection_config_path):
+def get_build_matrix(package_reference, selection_config_path):
     if selection_config_path is None:
         selection_config = None
     else:
         with open(selection_config_path) as f:
             selection_config = yaml.safe_load(f)
 
-    build_matrix = {
-        "conanfile": str(conanfile),
-        "config": [],
-    }
+    build_matrix = []
 
     def check_and_append(platform, config):
         if selection_config is None:
-            build_matrix["config"].append(config)
+            build_matrix.append(config)
             return
 
         if all(
@@ -87,7 +84,7 @@ def check_and_append(platform, config):
         if rule_excluded:
             return
 
-        build_matrix["config"].append(config)
+        build_matrix.append(config)
 
     # android
     for platform in [
@@ -230,7 +227,7 @@ def main():
 
     if is_github:
         with open(args.github_output, "w") as out:
-            print(f"matrix={json.dumps(build_matrix)}", file=out)
+            print(f"configs={json.dumps(build_matrix)}", file=out)
 
     return 0