diff --git a/ScreenPlay/src/create.cpp b/ScreenPlay/src/create.cpp
index 6f6f481f..d0a27eaf 100644
--- a/ScreenPlay/src/create.cpp
+++ b/ScreenPlay/src/create.cpp
@@ -196,7 +196,7 @@ bool Create::createWallpaperVideoPreview()
 #endif
 
 #ifdef Q_OS_MACOS
-    pro.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
+    proConvertImage.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
 #endif
     proConvertImage.data()->start();
 
@@ -247,7 +247,7 @@ bool Create::createWallpaperVideoPreview()
     proConvertPreviewMP4.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg.exe");
 #endif
 #ifdef Q_OS_MACOS
-    pro.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
+    proConvertPreviewMP4.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
 #endif
     emit createWallpaperStateChanged(Create::State::ConvertingPreviewVideo);
 
@@ -296,7 +296,7 @@ bool Create::createWallpaperVideoPreview()
     proConvertGif.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg.exe");
 #endif
 #ifdef Q_OS_MACOS
-    pro.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
+    proConvertGif.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
 #endif
     connect(this, &Create::abortCreateWallpaper, proConvertGif.data(), &QProcess::kill);
     proConvertGif.data()->start();
@@ -355,7 +355,7 @@ bool Create::createWallpaperVideo()
     proConvertVideo.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg.exe");
 #endif
 #ifdef Q_OS_MACOS
-    pro.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
+    proConvertVideo.data()->setProgram(QApplication::applicationDirPath() + "/ffmpeg");
 #endif
     qDebug() << "Start converting video";