diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 64bc2166b..8278cabf3 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -118,3 +118,9 @@ $(srcdir)/tr-core.c: tr-core-dbus.h
 
 tr-core-dbus.h: $(srcdir)/tr-core-dbus.xml
 	$(DBUS_BINDING_TOOL) --mode=glib-server --prefix=tr_core $< > $(@F)
+
+if WIN32
+transmission_LDFLAGS = \
+	-mwindows
+endif
+