diff --git a/activex/Makefile.am b/activex/Makefile.am
index 069bab2336b5f8f0a6adf76651e2cadbe90ae188..e5722ea132f63528982f24a7ce349f6c6462525a 100644
--- a/activex/Makefile.am
+++ b/activex/Makefile.am
@@ -105,11 +105,14 @@ if HAS_WIDL_COMPILER
 
 WINE_SDK_PATH ?= /usr/include/wine/windows
 
-axvlc.tlb axvlc_idl.c axvlc_idl.h: axvlc.idl
-	$(WIDL) -I$(WINE_SDK_PATH) -tuh -T axvlc.tlb -U axvlc_idl.c -H axvlc_idl.h axvlc.idl
+stdole2.tlb stdole2_idl.c stdole2_idl.h: $(WINE_SDK_PATH)/stdole2.idl
+	$(WIDL) -I$(WINE_SDK_PATH) -tuh -T stdole2.tlb -U stdole2_idl.c -H stdole2_idl.h $<
+
+axvlc.tlb axvlc_idl.c axvlc_idl.h: axvlc.idl stdole2.tlb
+	$(WIDL) -I$(WINE_SDK_PATH) -I. -tuh -T axvlc.tlb -U axvlc_idl.c -H axvlc_idl.h axvlc.idl
 
 clean-tlb:
-	rm -f axvlc.tlb axvlc_idl.c axvlc_idl.h
+	rm -f axvlc.tlb axvlc_idl.c axvlc_idl.h stdole2.tlb stdole2_idl.c stdole2_idl.h
 
 else