diff --git a/package/portmap/portmap.mk b/package/portmap/portmap.mk
index dba6155ce2..e83ff1d6f8 100644
--- a/package/portmap/portmap.mk
+++ b/package/portmap/portmap.mk
@@ -23,6 +23,8 @@ define PORTMAP_INSTALL_TARGET_CMDS
 		$(TARGET_DIR)/usr/share/man/man8/pmap_dump.8
 	$(INSTALL) -D $(@D)/pmap_set.8 \
 		$(TARGET_DIR)/usr/share/man/man8/pmap_set.8
+	$(INSTALL) -m 0755 package/portmap/S13portmap \
+		$(TARGET_DIR)/etc/init.d
 endef
 
 define PORTMAP_UNINSTALL_TARGET_CMDS