diff --git a/xxxApp/src/Makefile b/xxxApp/src/Makefile
index c4994fde7cf94b1931db64a1759a1e3a08b35a96..3f26a2dec5fb18b95c9f67e0b64497792ccb903c 100644
--- a/xxxApp/src/Makefile
+++ b/xxxApp/src/Makefile
@@ -48,6 +48,7 @@ ifeq ($(OS_CLASS), WIN32)
 	iocxxxWin32_DBD += dxpSupport.dbd
 	xxx_LIBS_WIN32 += dxp handel
         xxx_LIBS_WIN32 += DLPORTIO PlxApi
+        xxx_SYS_LIBS_WIN32 += setupapi
 endif
 
 ifeq ($(EPICS_HOST_ARCH), cygwin-x86)