diff --git a/dlls/wmasf/Makefile.in b/dlls/wmasf/Makefile.in
index 6fec1583ca8..1da9f78cf94 100644
--- a/dlls/wmasf/Makefile.in
+++ b/dlls/wmasf/Makefile.in
@@ -1,4 +1,6 @@
 MODULE    = wmasf.dll
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	main.c