diff --git a/scripts/pr b/scripts/pr
index aa76655d9e38..24ffef3f503d 100755
--- a/scripts/pr
+++ b/scripts/pr
@@ -72,7 +72,7 @@ Usage:
   scripts/pr prepare-run <PR>
   scripts/pr merge-verify <PR>
   scripts/pr merge-run <PR>
-    OPENCLAW_PR_MERGE_METHOD=merge preserves the PR commit series.
+    OPENCLAW_PR_MERGE_METHOD=merge|rebase preserves the PR commit series.
 USAGE
 }
 
diff --git a/scripts/pr-lib/merge.sh b/scripts/pr-lib/merge.sh
index 43a2d21e7595..79e1481c613c 100644
--- a/scripts/pr-lib/merge.sh
+++ b/scripts/pr-lib/merge.sh
@@ -245,8 +245,12 @@ merge_run() {
       merge_flag="--merge"
       merge_label="merge commit"
       ;;
+    rebase)
+      merge_flag="--rebase"
+      merge_label="rebase"
+      ;;
     *)
-      echo "Invalid OPENCLAW_PR_MERGE_METHOD: $merge_method (expected squash or merge)."
+      echo "Invalid OPENCLAW_PR_MERGE_METHOD: $merge_method (expected squash, merge, or rebase)."
       exit 2
       ;;
   esac
diff --git a/test/scripts/pr-wrappers.test.ts b/test/scripts/pr-wrappers.test.ts
index d1e58977c991..6b072b0a554c 100644
--- a/test/scripts/pr-wrappers.test.ts
+++ b/test/scripts/pr-wrappers.test.ts
@@ -35,13 +35,13 @@ describe("scripts/pr wrappers", () => {
     expect(script).toContain('exec "$base" merge-run "$pr"');
   });
 
-  it("defaults to squash and allows an explicit merge commit", () => {
+  it("defaults to squash and allows commit-preserving merge methods", () => {
     const script = readScript("scripts/pr-lib/merge.sh");
 
     expect(script).toContain("OPENCLAW_PR_MERGE_METHOD:-squash");
     expect(script).toContain("--squash");
     expect(script).toContain("--merge");
-    expect(script).not.toContain("--rebase");
+    expect(script).toContain("--rebase");
     expect(script).toContain('echo "Merged via $merge_label."');
   });