diff --git a/.github/workflows/OCV-PR-Linux.yaml b/.github/workflows/OCV-PR-Linux.yaml
index 97ddb93b..c4384087 100644
--- a/.github/workflows/OCV-PR-Linux.yaml
+++ b/.github/workflows/OCV-PR-Linux.yaml
@@ -147,8 +147,8 @@ jobs:
       uses: ./checkout-and-merge
       with:
         target_branch: "${{ matrix.branch }}"
-        author: "${{ github.event.pull_request.user.login }}"
-        source_branch: "${{ github.event.repository.name == 'ci-gha-workflow' && '' || github.head_ref }}"
+        author: "${{ github.event.repository.name == 'ci-gha-workflow' && github.event.pull_request.user.login || github.event.pull_request.head.repo.owner.login }}"
+        source_branch: "${{ github.event.repository.name == 'ci-gha-workflow' && '' || github.event.pull_request.head.ref }}"
         gitcache: '/opt/git_cache'
         home: '${{ env.HOME }}'
         workdir: '${{ env.HOME }}'
diff --git a/checkout-and-merge/action.yaml b/checkout-and-merge/action.yaml
index 2746eba8..01fd0104 100644
--- a/checkout-and-merge/action.yaml
+++ b/checkout-and-merge/action.yaml
@@ -9,7 +9,7 @@ inputs:
     description: "Target PR branch in OpenCV repository (4.x, 5.x)"
     default: "4.x"
   author:
-    description: "PR author"
+    description: "PR source repository owner"
   source_branch:
     description: "Source PR branch"
   gitcache: