diff --git a/internal/web/uploads.go b/internal/web/uploads.go
index bd65624..1f5e90c 100644
--- a/internal/web/uploads.go
+++ b/internal/web/uploads.go
@@ -111,12 +111,15 @@ func (a *App) uploadFailure(w http.ResponseWriter, r *http.Request, userID strin
 	var tooBig *http.MaxBytesError
 	switch {
 	case errors.As(err, &rej):
+		// Logged by reason only: the filename and title are private content.
+		a.logger().Info("upload rejected", "reason", string(rej.Reason))
 		status := http.StatusUnprocessableEntity
 		if rej.Reason == uploads.ReasonTooLarge {
 			status = http.StatusRequestEntityTooLarge
 		}
 		a.renderUploadsPage(w, r, userID, status, rej.Message)
 	case errors.As(err, &tooBig):
+		a.logger().Info("upload rejected", "reason", string(uploads.ReasonTooLarge))
 		a.renderUploadsPage(w, r, userID, http.StatusRequestEntityTooLarge,
 			"This file is larger than the upload limit.")
 	default: