diff --git a/src/drivers/magnetometer/hmc5883/HMC5883.cpp b/src/drivers/magnetometer/hmc5883/HMC5883.cpp
index ddad7213b8..6754d0f480 100644
--- a/src/drivers/magnetometer/hmc5883/HMC5883.cpp
+++ b/src/drivers/magnetometer/hmc5883/HMC5883.cpp
@@ -58,6 +58,8 @@ HMC5883::~HMC5883()
 	perf_free(_comms_errors);
 	perf_free(_range_errors);
 	perf_free(_conf_errors);
+
+	delete _interface;
 }
 
 int HMC5883::init()