diff --git a/packages/opencode/src/kilocode/review/review.ts b/packages/opencode/src/kilocode/review/review.ts
index 66926e49816..5d6c8e90eeb 100644
--- a/packages/opencode/src/kilocode/review/review.ts
+++ b/packages/opencode/src/kilocode/review/review.ts
@@ -376,19 +376,23 @@ export namespace Review {
     const untracked = await $`git ls-files --others --exclude-standard -z`.cwd(Instance.directory).quiet().nothrow()
     if (untracked.exitCode === 0) {
       const paths = untracked.stdout.toString().split("\0").filter(Boolean)
-      // Run diffs in parallel — sequential spawns are slow with many untracked files
-      const diffs = await Promise.all(
-        paths.map((p) =>
-          // --no-index exits 1 when files differ, which is expected
-          $`git -c core.quotepath=false diff --no-index -- /dev/null ${p}`
-            .cwd(Instance.directory)
-            .quiet()
-            .nothrow()
-            .then((fd) => fd.stdout.toString()),
-        ),
-      )
-      for (const out of diffs) {
-        if (out) raw += out
+      // Process in batches to avoid spawning hundreds of git processes
+      const batch = 20
+      for (let i = 0; i < paths.length; i += batch) {
+        const chunk = paths.slice(i, i + batch)
+        const diffs = await Promise.all(
+          chunk.map((p) =>
+            // --no-index exits 1 when files differ, which is expected
+            $`git -c core.quotepath=false diff --no-index -- /dev/null ${p}`
+              .cwd(Instance.directory)
+              .quiet()
+              .nothrow()
+              .then((fd) => fd.stdout.toString()),
+          ),
+        )
+        for (const out of diffs) {
+          if (out) raw += out
+        }
       }
     }