diff --git a/src/modules/bottle_drop/bottle_drop.cpp b/src/modules/bottle_drop/bottle_drop.cpp
index 97e4b178e6..39284f42f8 100644
--- a/src/modules/bottle_drop/bottle_drop.cpp
+++ b/src/modules/bottle_drop/bottle_drop.cpp
@@ -174,6 +174,7 @@ BottleDrop::BottleDrop() :
 
 	_task_should_exit(false),
 	_main_task(-1),
+	_mavlink_log_pub(nullptr),
 	_command_sub(-1),
 	_wind_estimate_sub(-1),
 	_command {},