diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index 17847cc..2fb4bf8 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -736,6 +736,7 @@
 	$(OUTDIR)/json.o \
 	$(OUTDIR)/list.o \
 	$(OUTDIR)/main.o \
+	$(OUTDIR)/map.o \
 	$(OUTDIR)/mark.o \
 	$(OUTDIR)/memfile.o \
 	$(OUTDIR)/memline.o \