diff --git a/dlls/setupx.dll16/Makefile.in b/dlls/setupx.dll16/Makefile.in
index d7d6555baf0..fa23cf11f79 100644
--- a/dlls/setupx.dll16/Makefile.in
+++ b/dlls/setupx.dll16/Makefile.in
@@ -1,7 +1,7 @@
 MODULE    = setupx.dll16
 IMPORTS   = setupapi user32 advapi32
 
-EXTRADLLFLAGS = -m16 -Wb,--main-module,setupapi.dll
+EXTRADLLFLAGS = -m16 -mno-cygwin -Wb,--main-module,setupapi.dll
 
 C_SRCS = \
 	devinst16.c \