diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.js
index b822c4e40..7cfabd437 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.js
@@ -107,11 +107,11 @@ var plugin = function (args) {
                 && ((_c = stream.channels) !== null && _c !== void 0 ? _c : 0) === channels
                 && !defaultSet) {
                 args.jobLog("Setting stream ".concat(index, " (language ").concat(languageCode, ", channels ").concat(channels, ") has default"));
-                stream.outputArgs.push("-disposition:".concat(index), 'default');
+                stream.outputArgs.push("-c:".concat(index), 'copy', "-disposition:".concat(index), 'default');
                 defaultSet = true;
             }
             else
-                stream.outputArgs.push("-disposition:".concat(index), '0');
+                stream.outputArgs.push("-c:".concat(index), 'copy', "-disposition:".concat(index), '0');
         }
     });
     if (defaultSet) {
diff --git a/FlowPluginsTs/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.ts b/FlowPluginsTs/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.ts
index cd95b7a4a..66adbf2fc 100644
--- a/FlowPluginsTs/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.ts
+++ b/FlowPluginsTs/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetDefaultAudioStream/1.0.0/index.ts
@@ -118,9 +118,9 @@ const plugin = (args: IpluginInputArgs): IpluginOutputArgs => {
       && (stream.channels ?? 0) === channels
       && !defaultSet) {
         args.jobLog(`Setting stream ${index} (language ${languageCode}, channels ${channels}) has default`);
-        stream.outputArgs.push(`-disposition:${index}`, 'default');
+        stream.outputArgs.push(`-c:${index}`, 'copy', `-disposition:${index}`, 'default');
         defaultSet = true;
-      } else stream.outputArgs.push(`-disposition:${index}`, '0');
+      } else stream.outputArgs.push(`-c:${index}`, 'copy', `-disposition:${index}`, '0');
     }
   });