diff --git a/src/drivers/magnetometer/lis3mdl/lis3mdl.cpp b/src/drivers/magnetometer/lis3mdl/lis3mdl.cpp
index e11fcf47c8..997bd85577 100644
--- a/src/drivers/magnetometer/lis3mdl/lis3mdl.cpp
+++ b/src/drivers/magnetometer/lis3mdl/lis3mdl.cpp
@@ -75,6 +75,8 @@ LIS3MDL::~LIS3MDL()
 	perf_free(_comms_errors);
 	perf_free(_range_errors);
 	perf_free(_conf_errors);
+
+	delete _interface;
 }
 
 int LIS3MDL::collect()