diff --git a/zdoom.vcproj b/zdoom.vcproj
index d802fc61c..db4660d3b 100644
--- a/zdoom.vcproj
+++ b/zdoom.vcproj
@@ -106,6 +106,7 @@
 				MapExports="true"
 				SubSystem="2"
 				StackReserveSize="0"
+				LargeAddressAware="2"
 				TerminalServerAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
@@ -223,6 +224,7 @@
 				MapExports="true"
 				SubSystem="2"
 				StackReserveSize="0"
+				LargeAddressAware="2"
 				TerminalServerAware="2"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
@@ -332,6 +334,7 @@
 				ProgramDatabaseFile=".\Debug/zdoomd.pdb"
 				SubSystem="2"
 				StackReserveSize="0"
+				LargeAddressAware="2"
 				TerminalServerAware="2"
 				SetChecksum="false"
 				TargetMachine="0"
@@ -440,6 +443,7 @@
 				ProgramDatabaseFile=".\Debug/zdoomd.pdb"
 				SubSystem="2"
 				StackReserveSize="0"
+				LargeAddressAware="2"
 				TerminalServerAware="2"
 				SetChecksum="false"
 				TargetMachine="17"