diff --git a/dist/post_run/index.js b/dist/post_run/index.js
index 77ebe7bf45..3aaabfc2c4 100644
--- a/dist/post_run/index.js
+++ b/dist/post_run/index.js
@@ -89228,7 +89228,7 @@ async function fetchPushPatch(ctx) {
         const patchResp = await octokit.rest.repos.compareCommitsWithBasehead({
             owner: ctx.repo.owner,
             repo: ctx.repo.repo,
-            basehead: `${ctx.payload.before}..${ctx.payload.after}`,
+            basehead: `${ctx.payload.before}...${ctx.payload.after}`,
             mediaType: {
                 format: `diff`,
             },
diff --git a/dist/run/index.js b/dist/run/index.js
index 5a8e29b828..d88750b4ba 100644
--- a/dist/run/index.js
+++ b/dist/run/index.js
@@ -89228,7 +89228,7 @@ async function fetchPushPatch(ctx) {
         const patchResp = await octokit.rest.repos.compareCommitsWithBasehead({
             owner: ctx.repo.owner,
             repo: ctx.repo.repo,
-            basehead: `${ctx.payload.before}..${ctx.payload.after}`,
+            basehead: `${ctx.payload.before}...${ctx.payload.after}`,
             mediaType: {
                 format: `diff`,
             },
diff --git a/src/run.ts b/src/run.ts
index a19a621874..0cf954730e 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -101,7 +101,7 @@ async function fetchPushPatch(ctx: Context): Promise<string> {
     const patchResp = await octokit.rest.repos.compareCommitsWithBasehead({
       owner: ctx.repo.owner,
       repo: ctx.repo.repo,
-      basehead: `${ctx.payload.before}..${ctx.payload.after}`,
+      basehead: `${ctx.payload.before}...${ctx.payload.after}`,
       mediaType: {
         format: `diff`,
       },