diff --git a/Tools/sitl_run.sh b/Tools/sitl_run.sh
index 521ebeef21..b4617e40cf 100755
--- a/Tools/sitl_run.sh
+++ b/Tools/sitl_run.sh
@@ -83,6 +83,12 @@ then
 elif [ "$debugger" == "gdb" ]
 then
 	gdb --args mainapp ../../../../${rc_script}_${program}
+elif [ "$debugger" == "ddd" ]
+then
+	ddd --debugger gdb --args mainapp ../../../../${rc_script}_${program}
+elif [ "$debugger" == "valgrind" ]
+then
+	valgrind ./mainapp ../../../../${rc_script}_${program}
 else
 	./mainapp ../../../../${rc_script}_${program}
 fi
diff --git a/src/firmware/posix/CMakeLists.txt b/src/firmware/posix/CMakeLists.txt
index 64f4775c33..fb7490ffe2 100644
--- a/src/firmware/posix/CMakeLists.txt
+++ b/src/firmware/posix/CMakeLists.txt
@@ -33,7 +33,7 @@ add_custom_target(run_config
 add_dependencies(run_config mainapp)
 
 foreach(viewer none jmavsim gazebo)
-	foreach(debugger none gdb lldb)
+	foreach(debugger none gdb lldb ddd valgrind)
 		foreach(model none iris vtol)
 			if (debugger STREQUAL "none")
 				if (model STREQUAL "none")
diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp
index 003a45137c..a349a78ea0 100644
--- a/src/modules/sensors/sensors.cpp
+++ b/src/modules/sensors/sensors.cpp
@@ -1250,7 +1250,7 @@ Sensors::vehicle_control_mode_poll()
 void
 Sensors::parameter_update_poll(bool forced)
 {
-	bool param_updated=false;
+	bool param_updated = false;
 
 	/* Check if any parameter has changed */
 	orb_check(_params_sub, &param_updated);