--- src/copt/Makefile.orig	2020-06-03 03:00:16 UTC
+++ src/copt/Makefile
@@ -27,7 +27,7 @@ z88dk-copt$(EXESUFFIX):	$(OBJS)
 	$(CC) -c -o $@ $(CFLAGS) $(LOCAL_CFLAGS) $(INCLUDES) $^
 
 install: z88dk-copt$(EXESUFFIX)
-	$(INSTALL) z88dk-copt$(EXESUFFIX) $(PREFIX)/bin/z88dk-copt$(EXESUFFIX)
+	$(BSD_INSTALL_PROGRAM) z88dk-copt$(EXESUFFIX) $(PREFIX)/bin/z88dk-copt$(EXESUFFIX)
 
 clean:
 	$(RM) z88dk-copt$(EXESUFFIX) copt.o core$(EXESUFFIX) regex/*.o