diff --git a/libs/util/source/profiler.cpp b/libs/util/source/profiler.cpp
index b0559493..8721186d 100644
--- a/libs/util/source/profiler.cpp
+++ b/libs/util/source/profiler.cpp
@@ -114,8 +114,9 @@ namespace psemek::util
 
 	profiler::~profiler()
 	{
+		auto count = clock_.count();
 		std::lock_guard lock{*(current->mutex)};
-		current->execution_time.push(clock_.count());
+		current->execution_time.push(count);
 		current = current->parent;
 	}