diff --git a/lib/src/track/options.dart b/lib/src/track/options.dart
index f9ad55b..2ec865a 100644
--- a/lib/src/track/options.dart
+++ b/lib/src/track/options.dart
@@ -228,8 +228,8 @@ class VideoParameters {
   // https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
   //
   Map<String, dynamic> toMediaConstraintsMap() => <String, dynamic>{
-        'maxWidth': width,
-        'maxHeight': height,
+        'minWidth': width,
+        'minHeight': height,
         'maxFrameRate': encoding.maxFramerate,
       };
 }