2 files changed, 3 insertions, 3 deletions

diff --git a/src/lane.hpp b/src/lane.hpp
index 4f87e2a..eb51aa3 100644
--- a/src/lane.hpp
+++ b/src/lane.hpp
@@ -135,8 +135,8 @@ class Lane
     //    is still running
     // S: cleans up after itself if non-nullptr at lane exit
 
-    // For tracking only
-    Lane* volatile tracking_next{ nullptr };
+    // access is protected by LaneTracker::trackingMutex
+    Lane* tracking_next{ nullptr };
 
     ErrorTraceLevel const errorTraceLevel{ Basic };
 
diff --git a/src/tracker.hpp b/src/tracker.hpp
index dcf3c6e..c1a38e2 100644
--- a/src/tracker.hpp
+++ b/src/tracker.hpp
@@ -11,7 +11,7 @@ class LaneTracker
 {
     private:
     mutable std::mutex trackingMutex;
-    Lane* volatile trackingFirst{ nullptr }; // will change to TRACKING_END if we want to activate tracking
+    Lane* trackingFirst{ nullptr }; // will change to TRACKING_END if we want to activate tracking
 
     public:
     void tracking_add(Lane* lane_);