diff --git a/dlls/vnetbios.vxd/Makefile.in b/dlls/vnetbios.vxd/Makefile.in
index 8e8cb60481c..38786481404 100644
--- a/dlls/vnetbios.vxd/Makefile.in
+++ b/dlls/vnetbios.vxd/Makefile.in
@@ -1,5 +1,7 @@
 MODULE    = vnetbios.vxd
 IMPORTS   = netapi32
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	vnetbios.c