diff --git a/Documentation/BuildingOnWindows.md b/Documentation/BuildingOnWindows.md
index 8de0430..e697d48 100644
--- a/Documentation/BuildingOnWindows.md
+++ b/Documentation/BuildingOnWindows.md
@@ -22,7 +22,7 @@
          ```
       * If Python is not installed:
          ```bat
-         powershell.exe -File Scripts\Install\InstallWindows.ps1 [-upgrade]
+         powershell.exe -ExecutionPolicy Bypass -File Scripts\Install\InstallWindows.ps1 [-upgrade]
          ```
 
       Use the `--upgrade` switch (Python), or the `-upgrade` switch (PowerShell) to refresh packages at a later date.
diff --git a/Scripts/build.py b/Scripts/build.py
index 413246f..4c6057e 100755
--- a/Scripts/build.py
+++ b/Scripts/build.py
@@ -17,7 +17,7 @@ def configureSubmodules():
    print( statusBefore )
 
    utility.runCommand( "git submodule update --init --remote --recursive" )
-   utility.runCommand( "git submodule foreach --recursive \"git fetch --tags\"" )
+   utility.runCommand( "git submodule foreach --recursive \"git fetch --tags -f\"" )
 
    if config.productCheckout:
       os.chdir( config.productRepoPath )