diff --git a/src/systemcmds/top/CMakeLists.txt b/src/systemcmds/top/CMakeLists.txt
index f2f7f290c3..db2111cb47 100644
--- a/src/systemcmds/top/CMakeLists.txt
+++ b/src/systemcmds/top/CMakeLists.txt
@@ -1,6 +1,6 @@
 ############################################################################
 #
-#   Copyright (c) 2015 PX4 Development Team. All rights reserved.
+#   Copyright (c) 2015-2019 PX4 Development Team. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -33,10 +33,10 @@
 px4_add_module(
 	MODULE systemcmds__top
 	MAIN top
-	PRIORITY "SCHED_PRIORITY_MAX"
-	COMPILE_FLAGS
+	PRIORITY
+		"SCHED_PRIORITY_MAX - 7" # max priority below sensor WQ threads
 	SRCS
 		top.c
 	DEPENDS
-	)
-
+		systemlib
+)