diff --git a/Makefile b/Makefile
index 7a239f1..5562134 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@ install: install-scripts install-conf install-exclude install-systemd
 # target: install-scripts - Install executables.
 install-scripts:
 	install -d $(DEST_SCRIPTS)
-	install -m 744 $(SRCS_SCRIPTS) $(DEST_SCRIPTS)
+	install -m 0744 $(SRCS_SCRIPTS) $(DEST_SCRIPTS)
 
 etc/restic/b2_env.sh:
 	install -m 0600 etc/restic/b2_env.sh.template etc/restic/b2_env.sh
@@ -41,7 +41,7 @@ etc/restic/b2_pw.txt:
 # target: install-conf - Install restic configuration files.
 # will create these files locally only if they don't already exist
 install-conf: | etc/restic/b2_env.sh etc/restic/b2_pw.txt
-	install -d $(DEST_CONF) -m 700
+	install -d $(DEST_CONF)
 	install -m 0600 $(SRCS_CONF) $(DEST_CONF)
 
 # target: install-exclude - Install backup exclude file.
@@ -51,4 +51,4 @@ install-exclude:
 # target: install-systemd - Install systemd timer and service files
 install-systemd:
 	install -d $(DEST_SYSTEMD)
-	install -m 0644 $(SRCS_SYSTEMD) $(DEST_SYSTEMD)
+	install $(SRCS_SYSTEMD) $(DEST_SYSTEMD)