1 files changed, 3 insertions, 0 deletions
diff --git a/apps/px4io/px4io.c b/apps/px4io/px4io.c
index 77524797f..4f68b3d2d 100644
--- a/apps/px4io/px4io.c
+++ b/apps/px4io/px4io.c
@@ -44,6 +44,7 @@
 #include <debug.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <string.h>
 
 #include <nuttx/clock.h>
 
@@ -60,6 +61,8 @@ int user_start(int argc, char *argv[])
 {
 	/* reset all to zero */
 	memset(&system_state, 0, sizeof(system_state));
+	/* default to 50 Hz PWM outputs */
+	system_state.servo_rate = 50;
 
 	/* configure the high-resolution time/callout interface */
 	hrt_init();