diff --git a/VBA.vcproj b/VBA.vcproj
index 863891ad..0024b45e 100644
--- a/VBA.vcproj
+++ b/VBA.vcproj
@@ -1553,6 +1553,10 @@
 					RelativePath=".\src\GBA.h"
 					>
 				</File>
+				<File
+					RelativePath=".\src\GBAcpu.h"
+					>
+				</File>
 				<File
 					RelativePath=".\src\GBAinline.h"
 					>