diff --git a/Makefile.am b/Makefile.am
index d278a94..1833905 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -44,9 +44,10 @@ libserialport_la_LDFLAGS = $(SP_LIB_LDFLAGS)
 
 if WIN32
 libserialport_la_LIBADD += -lsetupapi
-libserialport_la_LDFLAGS += -no-undefined
 endif
 
+libserialport_la_LDFLAGS += -no-undefined
+
 library_includedir = $(includedir)
 library_include_HEADERS = libserialport.h