diff --git a/README.md b/README.md
index 062795a..4155e84 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ See [examples](examples.md) for detailed use cases.
 
 ```yml
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 ```
@@ -55,7 +55,7 @@ Note that in order to read the step output the action step must have an id.
 ```yml
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - name: Check outputs
@@ -105,7 +105,7 @@ jobs:
         run: date +%s > report.txt
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: Add report file
diff --git a/dist/src/create-pull-request.py b/dist/src/create-pull-request.py
index 51676f8..1f56e5c 100755
--- a/dist/src/create-pull-request.py
+++ b/dist/src/create-pull-request.py
@@ -120,7 +120,7 @@ def process_event(github_token, github_repository, repo, branch, base):
             pull_request = github_repo.get_pulls(
                 state='open', 
                 base=base,
-                head=branch)[1]
+                head=branch)[0]
             print("Updated pull request #%d (%s => %s)" %
                 (pull_request.number, branch, base))
         else:
diff --git a/examples.md b/examples.md
index 1afc1ad..ee47b24 100644
--- a/examples.md
+++ b/examples.md
@@ -41,7 +41,7 @@ jobs:
           ncu -u
           npm install
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: update dependencies
@@ -75,7 +75,7 @@ jobs:
       - run: echo "##[set-output name=pr_title;]update to latest Go release ${{ steps.ensure_go.outputs.go_version}}"
         id: pr_title_maker
       - name: Create pull request
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           title: ${{ steps.pr_title_maker.outputs.pr_title }}
@@ -110,7 +110,7 @@ jobs:
             --domains quotes.toscrape.com \
             http://quotes.toscrape.com/
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: update local website copy
@@ -202,7 +202,7 @@ jobs:
         run: echo ::set-output name=branch-name::"autopep8-patches/$GITHUB_HEAD_REF"
       - name: Create Pull Request
         if: steps.autopep8.outputs.exit-code == 2
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: autopep8 action fixes
@@ -249,7 +249,7 @@ The recommended method is to use [`set-output`](https://help.github.com/en/githu
           echo ::set-output name=pr_body::"This PR was auto-generated on $(date +%d-%m-%Y) \
             by [create-pull-request](https://github.com/peter-evans/create-pull-request)."
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           title: ${{ steps.vars.outputs.pr_title }}
@@ -265,7 +265,7 @@ Alternatively, [`set-env`](https://help.github.com/en/github/automating-your-wor
           echo ::set-env name=PULL_REQUEST_BODY::"This PR was auto-generated on $(date +%d-%m-%Y) \
             by [create-pull-request](https://github.com/peter-evans/create-pull-request)."
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v1.7.0
+        uses: peter-evans/create-pull-request@v1.7.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           title: ${{ env.PULL_REQUEST_TITLE }}
diff --git a/package.json b/package.json
index f563f86..4904ebf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-pull-request",
-  "version": "1.7.0",
+  "version": "1.7.1",
   "description": "Creates a pull request for changes to your repository in the actions workspace",
   "main": "index.js",
   "scripts": {
diff --git a/src/create-pull-request.py b/src/create-pull-request.py
index 51676f8..1f56e5c 100755
--- a/src/create-pull-request.py
+++ b/src/create-pull-request.py
@@ -120,7 +120,7 @@ def process_event(github_token, github_repository, repo, branch, base):
             pull_request = github_repo.get_pulls(
                 state='open', 
                 base=base,
-                head=branch)[1]
+                head=branch)[0]
             print("Updated pull request #%d (%s => %s)" %
                 (pull_request.number, branch, base))
         else: