diff --git a/aegisub/build/tests_vs2008/tests_vs2008.vcproj b/aegisub/build/tests_vs2008/tests_vs2008.vcproj
index d22d3a712..92b54a774 100644
--- a/aegisub/build/tests_vs2008/tests_vs2008.vcproj
+++ b/aegisub/build/tests_vs2008/tests_vs2008.vcproj
@@ -215,6 +215,10 @@
 				RelativePath="..\..\tests\util.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\..\tests\util_windows.cpp"
+				>
+			</File>
 		</Filter>
 		<File
 			RelativePath="..\..\tests\libaegisub_access.cpp"
diff --git a/aegisub/tests/util_windows.cpp b/aegisub/tests/util_windows.cpp
index e5c3bf524..7f6acfce5 100644
--- a/aegisub/tests/util_windows.cpp
+++ b/aegisub/tests/util_windows.cpp
@@ -19,7 +19,7 @@
 /// @ingroup util windows
 
 #include <io.h>
-#include "util.sh"
+#include "util.h"
 
 namespace util {