diff --git a/src/modules/load_mon/load_mon.cpp b/src/modules/load_mon/load_mon.cpp
index 61858d8323..e40d81ce08 100644
--- a/src/modules/load_mon/load_mon.cpp
+++ b/src/modules/load_mon/load_mon.cpp
@@ -138,6 +138,7 @@ LoadMon::LoadMon() :
 LoadMon::~LoadMon()
 {
 	work_cancel(LPWORK, &_work);
+	perf_free(_stack_perf);
 	_taskIsRunning = false;
 }