Index: /trunk/src/VBox/Main/testcase/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Main/testcase/Makefile.kmk	(revision 50500)
+++ /trunk/src/VBox/Main/testcase/Makefile.kmk	(revision 50501)
@@ -248,4 +248,5 @@
 	$(VBOX_PATH_SDK)/bindings/xpcom/include/nsprpub \
 	$(VBOX_PATH_SDK)/bindings/xpcom/include/xpcom \
+	$(VBOX_MAIN_APIWRAPPER_INCS) \
 	$(dir $(VBOX_XML_SCHEMADEFS_H))
 tstMouseImpl_LIBS      = \