diff --git a/src/algorithms/PVT/adapters/rtklib_pvt.cc b/src/algorithms/PVT/adapters/rtklib_pvt.cc
index 019c7b017..3582b2600 100644
--- a/src/algorithms/PVT/adapters/rtklib_pvt.cc
+++ b/src/algorithms/PVT/adapters/rtklib_pvt.cc
@@ -450,6 +450,7 @@ bool RtklibPvt::save_assistance_to_XML()
 
 RtklibPvt::~RtklibPvt()
 {
+    rtkfree(&rtk);
     save_assistance_to_XML();
 }