diff --git a/setup/pe/build_pe.ps1 b/setup/pe/build_pe.ps1
index 5f026ce5..2db0255a 100644
--- a/setup/pe/build_pe.ps1
+++ b/setup/pe/build_pe.ps1
@@ -191,6 +191,19 @@ function Extract-SourceFiles {
     Write-Host ("  ERROR: Failed to extract files." ) -ForegroundColor "Red"
   }
 
+  # OSFMount
+  Write-Host "Extracting: OSFMount"
+  try {
+    $ArgumentList = @(
+      "x", "$BuildDir\downloads\osfmount.7z", "-o`"$ProgramFilesPE`"\OSFMount",
+      "-aoa", "-bso0", "-bse0", "-bsp0")
+    Start-Process -FilePath $SevenZip -ArgumentList $ArgumentList -NoNewWindow -Wait
+  }
+  catch {
+    Write-Host ("  ERROR: Failed to extract files." ) -ForegroundColor "Red"
+  }
+}
+
   # wimlib
   Write-Host "Extracting: wimlib"
   try {
diff --git a/setup/pe/sources.json b/setup/pe/sources.json
index cd44037d..51f797fc 100644
--- a/setup/pe/sources.json
+++ b/setup/pe/sources.json
@@ -23,6 +23,12 @@
     "Name": "ntpwedit.zip",
     "Url": "http://cdslow.org.ru/files/ntpwedit/ntpwed07.zip"
   },
+  {
+    "Item": "OSFMount",
+    "Hash": "059B3F45902DF6FD6A7473ECDDAC3B16A73B49817F1FC85F118E6701F2493AC8",
+    "Name": "osfmount.7z",
+    "Url": "https://nextcloud.2shirt.work/s/2jA74iK2TdQKnSe/download/OSFMount.7z"
+  },
   {
     "Item": "wimlib",
     "Hash": "6d99e242bfbc6d36fc987d433d63772180551b7f2d8de43e9561535a3e2c16d8",