diff --git a/VBA.vcproj b/VBA.vcproj
index 22e992a4..09e76cb3 100644
--- a/VBA.vcproj
+++ b/VBA.vcproj
@@ -534,7 +534,7 @@
 						<Tool
 							Name="VCCustomBuildTool"
 							Description="Assembling $(InputFileName)..."
-							CommandLine="nasm -D__DJGPP__ -f win32 -o &quot;$(IntDir)\$(InputName).obj&quot; &quot;$(InputPath)&quot;&#x0D;&#x0A;"
+							CommandLine="nasm -D__DJGPP__ -f win64 -o &quot;$(IntDir)\$(InputName).obj&quot; &quot;$(InputPath)&quot;&#x0D;&#x0A;"
 							Outputs="&quot;$(IntDir)\$(InputName).obj&quot;"
 						/>
 					</FileConfiguration>
@@ -554,7 +554,7 @@
 						<Tool
 							Name="VCCustomBuildTool"
 							Description="Assembling $(InputFileName)..."
-							CommandLine="nasm -D__DJGPP__ -f win32 -o &quot;$(IntDir)\$(InputName).obj&quot; &quot;$(InputPath)&quot;&#x0D;&#x0A;"
+							CommandLine="nasm -D__DJGPP__ -f win64 -o &quot;$(IntDir)\$(InputName).obj&quot; &quot;$(InputPath)&quot;&#x0D;&#x0A;"
 							Outputs="&quot;$(IntDir)\$(InputName).obj&quot;"
 						/>
 					</FileConfiguration>