diff --git a/src/components/compose.jsx b/src/components/compose.jsx
index 92ef81d4..2aeb40ae 100644
--- a/src/components/compose.jsx
+++ b/src/components/compose.jsx
@@ -1318,7 +1318,7 @@ function Compose({
                 <input
                   type="file"
                   accept={supportedMimeTypes?.join(',')}
-                  multiple={mediaAttachments.length < maxMediaAttachments - 1}
+                  multiple={maxMediaAttachments ? mediaAttachments.length < maxMediaAttachments - 1 : true}
                   disabled={
                     uiState === 'loading' ||
                     mediaAttachments.length >= maxMediaAttachments ||