diff --git a/recipes/cipd_roller.expected/missing_tag.json b/recipes/cipd_roller.expected/missing_tag.json
index 841b6e2..4b35002 100644
--- a/recipes/cipd_roller.expected/missing_tag.json
+++ b/recipes/cipd_roller.expected/missing_tag.json
@@ -1286,6 +1286,7 @@
     ]
   },
   {
-    "name": "$result"
+    "name": "$result",
+    "summaryMarkdown": "nothing to roll"
   }
 ]
\ No newline at end of file
diff --git a/recipes/cipd_roller.expected/multiple_common_tags.json b/recipes/cipd_roller.expected/multiple_common_tags.json
index 6bfb692..1dc65d0 100644
--- a/recipes/cipd_roller.expected/multiple_common_tags.json
+++ b/recipes/cipd_roller.expected/multiple_common_tags.json
@@ -1175,6 +1175,7 @@
     ]
   },
   {
-    "name": "$result"
+    "name": "$result",
+    "summaryMarkdown": "nothing to roll"
   }
 ]
\ No newline at end of file
diff --git a/recipes/cipd_roller.py b/recipes/cipd_roller.py
index 5e66a0f..51aa7ac 100644
--- a/recipes/cipd_roller.py
+++ b/recipes/cipd_roller.py
@@ -16,6 +16,8 @@
 import collections
 import re
 
+from PB.recipe_engine import result as result_pb2
+from PB.go.chromium.org.luci.buildbucket.proto import common as common_pb2
 from PB.recipes.pigweed.cipd_roller import InputProperties
 
 DEPS = [
@@ -217,7 +219,9 @@
             presentation.step_summary_text = (
                 'current version {} in common tags'
             ).format(old_version)
-        return
+        return result_pb2.RawResult(
+            summary_markdown='nothing to roll', status=common_pb2.SUCCESS,
+        )
 
     api.file.write_text(
         f'write {basename}',