diff --git a/dlls/bthprops.cpl/Makefile.in b/dlls/bthprops.cpl/Makefile.in
index 41dc9dfdb98..e8236f4527c 100644
--- a/dlls/bthprops.cpl/Makefile.in
+++ b/dlls/bthprops.cpl/Makefile.in
@@ -1,4 +1,6 @@
 MODULE    = bthprops.cpl
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	main.c