diff --git a/Misc/NEWS b/Misc/NEWS
index d4eb2189d2f..9373be268d1 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -48,6 +48,8 @@ Tests
 Build
 -----
 
+- Bug #1534738, win32 debug version of _msi should be _msi_d.pyd.
+
 - Bug #1530448, ctypes buld failure on Solaris 10 was fixed.
 
 
diff --git a/PCbuild/_msi.vcproj b/PCbuild/_msi.vcproj
index fb8925ef624..b4afeb4a990 100644
--- a/PCbuild/_msi.vcproj
+++ b/PCbuild/_msi.vcproj
@@ -36,11 +36,11 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="fci.lib msi.lib rpcrt4.lib"
-				OutputFile="./_msi.pyd"
+				OutputFile="./_msi_d.pyd"
 				LinkIncremental="1"
 				SuppressStartupBanner="TRUE"
 				GenerateDebugInformation="TRUE"
-				ProgramDatabaseFile=".\./_msi.pdb"
+				ProgramDatabaseFile=".\./_msi_d.pdb"
 				BaseAddress="0x1D160000"
 				ImportLibrary=".\./_msi.lib"
 				TargetMachine="1"/>