diff --git a/ApplewinExpress9.00.vcproj b/ApplewinExpress9.00.vcproj
index d40d300f..018f2d37 100644
--- a/ApplewinExpress9.00.vcproj
+++ b/ApplewinExpress9.00.vcproj
@@ -58,7 +58,7 @@
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
-				EnableEnhancedInstructionSet="2"
+				EnableEnhancedInstructionSet="1"
 				FloatingPointModel="2"
 				UsePrecompiledHeader="0"
 				PrecompiledHeaderFile=".\Release/Applewin.pch"