diff --git a/source/Target/ThreadPlanBase.cpp b/source/Target/ThreadPlanBase.cpp
index 4440837..fda430c 100644
--- a/source/Target/ThreadPlanBase.cpp
+++ b/source/Target/ThreadPlanBase.cpp
@@ -68,7 +68,7 @@
 }
 
 bool
-ThreadPlanBase::PlanExplainsStop ()
+ThreadPlanBase::PlanExplainsStop (Event *event_ptr)
 {
     // The base plan should defer to its tracer, since by default it
     // always handles the stop.