--- a/thermferm/Makefile	Sat Feb 25 10:53:42 2023 +0100
+++ b/thermferm/Makefile	Thu Mar 14 17:07:09 2024 +0100
@@ -23,7 +23,7 @@
 		rm -f ${TARGET} *.o *.h~ *.c~ core filelist Makefile.bak
 
 install:	all
-		${INSTALL} -c -s -g root -o root -m 0755 thermferm ${BINDIR}
+		${INSTALL} -c -s -g root -o root -m 0755 thermferm ${DESTDIR}${BINDIR}
 
 filelist:	Makefile
 		BASE=`pwd`; \