diff --git a/.appveyor.yml b/.appveyor.yml
index 6aa90392e2960d3f86cb48dc758ad32987226c82..686ad365e88d86879175a3a052c3c3e85cf5b041 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -27,19 +27,19 @@ install:
       Write-Host "Installed" -ForegroundColor Green
   - ps: |
       Write-Host "Installing GStreamer..." -ForegroundColor Cyan
-      $msiPath = "$($env:USERPROFILE)\gstreamer-1.0-x86-1.8.1.msi"
+      $msiPath = "$($env:USERPROFILE)\gstreamer-1.0-x86-1.5.2.msi"
       Write-Host "Downloading..."
-      (New-Object Net.WebClient).DownloadFile('https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/gstreamer-1.0-x86-1.8.1.msi', $msiPath)
+      (New-Object Net.WebClient).DownloadFile('https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/gstreamer-1.0-x86-1.5.2.msi', $msiPath)
       Write-Host "Installing..."
-      cmd /c start /wait msiexec /package $msiPath /passive
+      cmd /c start /wait msiexec /package $msiPath /passive ADDLOCAL=ALL
       Write-Host "Installed" -ForegroundColor Green
   - ps: |
       Write-Host "Installing GStreamer dev..." -ForegroundColor Cyan
-      $msiPath = "$($env:USERPROFILE)\gstreamer-1.0-devel-x86-1.8.1.msi"
+      $msiPath = "$($env:USERPROFILE)\gstreamer-1.0-devel-x86-1.5.2.msi"
       Write-Host "Downloading..."
-      (New-Object Net.WebClient).DownloadFile('https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/gstreamer-1.0-devel-x86-1.8.1.msi', $msiPath)
+      (New-Object Net.WebClient).DownloadFile('https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/gstreamer-1.0-devel-x86-1.5.2.msi', $msiPath)
       Write-Host "Installing..."
-      cmd /c start /wait msiexec /package $msiPath /passive
+      cmd /c start /wait msiexec /package $msiPath /passive ADDLOCAL=ALL
       Write-Host "Installed" -ForegroundColor Green
 
 build_script:
diff --git a/src/VideoStreaming/VideoStreaming.pri b/src/VideoStreaming/VideoStreaming.pri
index 51b8d4b65045f5646439c49aa05d6c082f3b100b..1b967c8f55f86715c5839988b904a1f4b3eb5aa6 100644
--- a/src/VideoStreaming/VideoStreaming.pri
+++ b/src/VideoStreaming/VideoStreaming.pri
@@ -69,7 +69,8 @@ LinuxBuild {
         QMAKE_POST_LINK += xcopy \"$$GST_ROOT_WIN\\bin\*.\" \"$$DESTDIR_WIN\" /S/Y $$escape_expand(\\n)
 
         # Copy GStreamer plugins
-        QMAKE_POST_LINK += $$escape_expand(\\n) xcopy \"$$GST_ROOT_WIN\\lib\\gstreamer-1.0\\*.dll\" \"$$DESTDIR_WIN\\gstreamer-plugins\\\" /S/Y $$escape_expand(\\n)
+        QMAKE_POST_LINK += $$escape_expand(\\n) xcopy \"$$GST_ROOT_WIN\\lib\\gstreamer-1.0\\*.dll\" \"$$DESTDIR_WIN\\gstreamer-plugins\\\" /Y $$escape_expand(\\n)
+        QMAKE_POST_LINK += $$escape_expand(\\n) xcopy \"$$GST_ROOT_WIN\\lib\\gstreamer-1.0\\validate\\*.dll\" \"$$DESTDIR_WIN\\gstreamer-plugins\\validate\\\" /Y $$escape_expand(\\n)
     }
 } else:AndroidBuild {
     #- gstreamer assumed to be installed in $$PWD/../../android/gstreamer-1.0-android-armv7-1.5.2