diff --git a/maintner/maintnerd/maintapi/api.go b/maintner/maintnerd/maintapi/api.go
index 811edd9..f769fa8 100644
--- a/maintner/maintnerd/maintapi/api.go
+++ b/maintner/maintnerd/maintapi/api.go
@@ -146,12 +146,11 @@
 		// from matching patchset-level comments. They
 		// are posted on the magic "/PATCHSET_LEVEL" path, see https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#file-id.
 		for _, c := range comments["/PATCHSET_LEVEL"] {
-			// It should be sufficient to match by equal time only.
-			// But check that author and patch set match too in order to be more strict.
-			if !c.Updated.Equal(m.Time) || c.Author.NumericID != m.Author.NumericID || c.PatchSet != m.RevisionNumber {
+			if !c.Updated.Equal(m.Time) || c.Author.NumericID != m.Author.NumericID {
+				// Not a matching time or author ID.
 				continue
 			}
-			if len(w.TryMessage) > 0 && c.PatchSet < int(w.TryMessage[len(w.TryMessage)-1].Version) {
+			if len(w.TryMessage) > 0 && m.RevisionNumber < int(w.TryMessage[len(w.TryMessage)-1].Version) {
 				// Don't include try messages older than the latest we've seen. They're obsolete.
 				continue
 			}
@@ -162,7 +161,7 @@
 			w.TryMessage = append(w.TryMessage, &apipb.TryVoteMessage{
 				Message:  tm[1],
 				AuthorId: c.Author.NumericID,
-				Version:  int32(c.PatchSet),
+				Version:  int32(m.RevisionNumber),
 			})
 		}
 	}
diff --git a/maintner/maintnerd/maintapi/api_test.go b/maintner/maintnerd/maintapi/api_test.go
index 3088b98..ac7dfdc 100644
--- a/maintner/maintnerd/maintapi/api_test.go
+++ b/maintner/maintnerd/maintapi/api_test.go
@@ -374,6 +374,53 @@
 				},
 			},
 		},
+
+		// Test that TRY= request messages with an older patchset-level comment are included.
+		// See https://go-review.googlesource.com/c/go/+/493535/comments/c72580be_773332cb where
+		// a Run-TryBot+1 request is posted on PS 2 with a patchset-level comment left on PS 1.
+		{
+			proj:  "go",
+			clnum: 493535,
+			ci: &gerrit.ChangeInfo{
+				CurrentRevision: "f8aa751e53d7019eb1114da68754c77cc0830163",
+				Revisions: map[string]gerrit.RevisionInfo{
+					"a2afb09fc37fcff8ff43d895def78274d6ec4d74": {PatchSetNumber: 1},
+					"f8aa751e53d7019eb1114da68754c77cc0830163": {PatchSetNumber: 2},
+				},
+				Messages: []gerrit.ChangeMessageInfo{
+					// A message posted a minute after PS 2 was uploaded.
+					{
+						Author:         &gerrit.AccountInfo{NumericID: 1234},
+						Message:        "Patch Set 2: Code-Review+2 Run-TryBot+1\n\n(1 comment)",
+						Time:           gerrit.TimeStamp(time.Date(2023, 5, 8, 16, 14, 3, 0, time.UTC)),
+						RevisionNumber: 2,
+					},
+				},
+			},
+			comments: map[string][]gerrit.CommentInfo{
+				"/PATCHSET_LEVEL": {
+					// Its patchset-level comment is associated with PS 1.
+					{
+						PatchSet: 1,
+						Message:  "TRY\u003dplan9\n\nThanks!",
+						Updated:  gerrit.TimeStamp(time.Date(2023, 5, 8, 16, 14, 3, 0, time.UTC)),
+						Author:   &gerrit.AccountInfo{NumericID: 1234},
+					},
+				},
+			},
+			want: &apipb.GerritTryWorkItem{
+				Project:     "go",
+				Branch:      "master",
+				ChangeId:    "Ia30f51307cc6d07a7e3ada6bf9d60bf9951982ff",
+				Commit:      "f8aa751e53d7019eb1114da68754c77cc0830163",
+				AuthorEmail: "millerresearch@gmail.com",
+				Version:     2,
+				GoVersion:   []*apipb.MajorMinor{{Major: 1, Minor: 17}},
+				TryMessage: []*apipb.TryVoteMessage{
+					{Message: "plan9", AuthorId: 1234, Version: 2},
+				},
+			},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(strconv.Itoa(int(tt.clnum)), func(t *testing.T) {