diff --git a/server/events/vcs/github_client.go b/server/events/vcs/github_client.go
index 3d0ee6bd0..9629e4e0b 100644
--- a/server/events/vcs/github_client.go
+++ b/server/events/vcs/github_client.go
@@ -159,7 +159,8 @@ func (g *GithubClient) HideOldComments(repo models.Repo, pullNum int) error {
 		// a reasonable one, given we've already filtered the comments by the
 		// configured Atlantis user.
 		body := strings.Split(comment.GetBody(), "\n")
-		if !strings.Contains(body[0], models.ApplyCommand.String()) {
+		firstLine := strings.ToLower(body[0])
+		if !strings.Contains(firstLine, models.PlanCommand.String()) {
 			continue
 		}
 		var m struct {
diff --git a/server/events/vcs/github_client_test.go b/server/events/vcs/github_client_test.go
index f8d4027ce..1ae64d409 100644
--- a/server/events/vcs/github_client_test.go
+++ b/server/events/vcs/github_client_test.go
@@ -137,14 +137,14 @@ func TestGithubClient_GetModifiedFilesMovedFile(t *testing.T) {
 
 func TestGithubClient_HideOldComments(t *testing.T) {
 	// Only comment 6 should be minimized, because it's by the same Atlantis bot user
-	// and it has "apply" in the first line of the comment body.
+	// and it has "plan" in the first line of the comment body.
 	issueResp := `[
-	{"node_id": "1", "body": "asd\napply\nasd", "user": {"login": "someone-else"}},
-	{"node_id": "2", "body": "asd apply\nasd", "user": {"login": "someone-else"}},
+	{"node_id": "1", "body": "asd\nplan\nasd", "user": {"login": "someone-else"}},
+	{"node_id": "2", "body": "asd plan\nasd", "user": {"login": "someone-else"}},
 	{"node_id": "3", "body": "asdasdasd\nasdasdasd", "user": {"login": "someone-else"}},
 	{"node_id": "4", "body": "asdasdasd\nasdasdasd", "user": {"login": "user"}},
-	{"node_id": "5", "body": "asd\napply\nasd", "user": {"login": "user"}},
-	{"node_id": "6", "body": "asd apply\nasd", "user": {"login": "user"}},
+	{"node_id": "5", "body": "asd\nplan\nasd", "user": {"login": "user"}},
+	{"node_id": "6", "body": "asd plan\nasd", "user": {"login": "user"}},
 	{"node_id": "7", "body": "asdasdasd", "user": {"login": "user"}}
 ]`
 	minimizeResp := "{}"