diff --git a/sndiod/Makefile.in b/sndiod/Makefile.in
index a981d6a..6dc789a 100644
--- a/sndiod/Makefile.in
+++ b/sndiod/Makefile.in
@@ -30,6 +30,7 @@ all:		${PROG} ${MAN1}
 
 install:
 		mkdir -p ${DESTDIR}${BIN_DIR} ${DESTDIR}${MAN1_DIR}
+		rm -f ${DESTDIR}${BIN_DIR}/${PROG} ${DESTDIR}${MAN1_DIR}/${MAN1}
 		cp ${PROG} ${DESTDIR}${BIN_DIR}
 		cp ${MAN1} ${DESTDIR}${MAN1_DIR}