diff --git a/src/win32/Stella_vs2005.vcproj b/src/win32/Stella_vs2005.vcproj
index f29933381..55cf79cb0 100644
--- a/src/win32/Stella_vs2005.vcproj
+++ b/src/win32/Stella_vs2005.vcproj
@@ -1678,10 +1678,26 @@
 					RelativePath="..\libpng\pngconf.h"
 					>
 				</File>
+				<File
+					RelativePath="..\libpng\pngdebug.h"
+					>
+				</File>
+				<File
+					RelativePath="..\libpng\pnginfo.h"
+					>
+				</File>
+				<File
+					RelativePath="..\libpng\pnglibconf.h"
+					>
+				</File>
 				<File
 					RelativePath="..\libpng\pngpriv.h"
 					>
 				</File>
+				<File
+					RelativePath="..\libpng\pngstruct.h"
+					>
+				</File>
 			</Filter>
 		</Filter>
 		<Filter