diff --git a/PCbuild/python.vcxproj b/PCbuild/python.vcxproj
index f4640454a73070f..846c87fd1ac1404 100644
--- a/PCbuild/python.vcxproj
+++ b/PCbuild/python.vcxproj
@@ -96,6 +96,7 @@
       <SubSystem>Console</SubSystem>
       <StackReserveSize Condition="$(Configuration) != 'Debug'">2000000</StackReserveSize>
       <StackReserveSize Condition="$(Configuration) == 'Debug'">8000000</StackReserveSize>
+      <StackReserveSize Condition="$(Configuration) == 'PGInstrument'">8000000</StackReserveSize>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/PCbuild/pythonw.vcxproj b/PCbuild/pythonw.vcxproj
index e23635e5ea9411b..f485352f642fa2e 100644
--- a/PCbuild/pythonw.vcxproj
+++ b/PCbuild/pythonw.vcxproj
@@ -91,6 +91,7 @@
     <Link>
       <StackReserveSize Condition="$(Configuration) != 'Debug'">2000000</StackReserveSize>
       <StackReserveSize Condition="$(Configuration) == 'Debug'">8000000</StackReserveSize>
+      <StackReserveSize Condition="$(Configuration) == 'PGInstrument'">8000000</StackReserveSize>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>