diff --git a/src/win/Makefile.mingw b/src/win/Makefile.mingw
index 3b158a0d2..0235ca61d 100644
--- a/src/win/Makefile.mingw
+++ b/src/win/Makefile.mingw
@@ -687,9 +687,10 @@ NETOBJ := network.o \
           net_pcnet.o net_wd8003.o \
           net_plip.o net_event.o \
           net_null.o \
-          net_eeprom_nmc93cxx.c \
-          net_tulip.c \
-          net_rtl8139.c
+          net_eeprom_nmc93cxx.o \
+          net_tulip.o \
+          net_rtl8139.o \
+          net_l80225.o
 
 PRINTOBJ := png.o prt_cpmap.o \
             prt_escp.o prt_text.o prt_ps.o