diff --git a/dlls/stdole32.tlb/Makefile.in b/dlls/stdole32.tlb/Makefile.in
index 8ae404a4711..4e5497f0525 100644
--- a/dlls/stdole32.tlb/Makefile.in
+++ b/dlls/stdole32.tlb/Makefile.in
@@ -1,5 +1,6 @@
 MODULE    = stdole32.tlb
 
+EXTRAIDLFLAGS = --oldtlb --win32
 EXTRADLLFLAGS = -Wb,--data-only
 
 SOURCES = \