diff --git a/PCbuild/python.vcproj b/PCbuild/python.vcproj
index 0c3c4b6..722bf43 100644
--- a/PCbuild/python.vcproj
+++ b/PCbuild/python.vcproj
@@ -47,6 +47,7 @@
 				GenerateDebugInformation="TRUE"
 				ProgramDatabaseFile=".\./python.pdb"
 				SubSystem="1"
+				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"/>
 			<Tool
@@ -109,6 +110,7 @@
 				GenerateDebugInformation="TRUE"
 				ProgramDatabaseFile=".\./python_d.pdb"
 				SubSystem="1"
+				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"/>
 			<Tool
@@ -179,6 +181,7 @@
 				GenerateDebugInformation="TRUE"
 				ProgramDatabaseFile=".\./python.pdb"
 				SubSystem="1"
+				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 				TargetMachine="0"/>
 			<Tool
diff --git a/PCbuild/pythonw.vcproj b/PCbuild/pythonw.vcproj
index 0eab690..1ac107a 100644
--- a/PCbuild/pythonw.vcproj
+++ b/PCbuild/pythonw.vcproj
@@ -42,6 +42,7 @@
 				GenerateDebugInformation="TRUE"
 				ProgramDatabaseFile=".\./pythonw_d.pdb"
 				SubSystem="2"
+				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"/>
 			<Tool
@@ -108,6 +109,7 @@
 				GenerateDebugInformation="TRUE"
 				ProgramDatabaseFile=".\./pythonw.pdb"
 				SubSystem="2"
+				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 				TargetMachine="1"/>
 			<Tool
@@ -179,6 +181,7 @@
 				GenerateDebugInformation="TRUE"
 				ProgramDatabaseFile=".\./pythonw.pdb"
 				SubSystem="2"
+				StackReserveSize="2000000"
 				BaseAddress="0x1d000000"
 				TargetMachine="0"/>
 			<Tool