diff --git a/pkg/controller/issueapi/handle_issue.go b/pkg/controller/issueapi/handle_issue.go
index 1da9e8e44..e2d3d3558 100644
--- a/pkg/controller/issueapi/handle_issue.go
+++ b/pkg/controller/issueapi/handle_issue.go
@@ -123,6 +123,15 @@ func (c *Controller) decodeAndIssue(ctx context.Context, w http.ResponseWriter,
 	case http.StatusOK:
 		c.h.RenderJSON(w, http.StatusOK, res.IssueCodeResponse())
 		return
+	case http.StatusConflict:
+		// This only occurs on "user-report" types where the phone number collides with
+		// an already known one. In this case we just return "success" and don't
+		// actually do anything. This matches the other user-report code issue paths.
+		c.h.RenderJSON(w, http.StatusOK, &api.UserReportResponse{
+			ExpiresAt:          res.IssueCodeResponse().ExpiresAt,
+			ExpiresAtTimestamp: res.IssueCodeResponse().ExpiresAtTimestamp,
+		})
+		return
 	default:
 		c.h.RenderJSON(w, res.HTTPCode, res.ErrorReturn)
 		return