diff --git a/lib/workers/branch/index.ts b/lib/workers/branch/index.ts
index c1c83a5ad2642e42852d36aea3ac74c441a439df..eee1ebced15b1372bca15924a8bb4fb607ea645e 100644
--- a/lib/workers/branch/index.ts
+++ b/lib/workers/branch/index.ts
@@ -673,7 +673,7 @@ export async function processBranch(
           }
         }
         const prAutomerged = await checkAutoMerge(pr, config);
-        if (prAutomerged) {
+        if (prAutomerged && config.automergeType !== 'pr-comment') {
           await deleteBranchSilently(config.branchName);
           return ProcessBranchResult.Automerged;
         }