diff --git a/client/TracyProfiler.cpp b/client/TracyProfiler.cpp
index 36f315cc..0276295d 100644
--- a/client/TracyProfiler.cpp
+++ b/client/TracyProfiler.cpp
@@ -2573,7 +2573,7 @@ void Profiler::SendCallstack( int depth, const char* skipBefore )
     CutCallstack( ptr, skipBefore );
 
     TracyLfqPrepare( QueueType::Callstack );
-    MemWrite( &item->callstack.ptr, ptr );
+    MemWrite( &item->callstack.ptr, (uint64_t)ptr );
     TracyLfqCommit;
 #endif
 }
diff --git a/client/TracyProfiler.hpp b/client/TracyProfiler.hpp
index 4d29e2e2..50a303e1 100644
--- a/client/TracyProfiler.hpp
+++ b/client/TracyProfiler.hpp
@@ -413,7 +413,7 @@ public:
 #ifdef TRACY_HAS_CALLSTACK
         auto ptr = Callstack( depth );
         TracyLfqPrepare( QueueType::Callstack );
-        MemWrite( &item->callstack.ptr, ptr );
+        MemWrite( &item->callstack.ptr, (uint64_t)ptr );
         TracyLfqCommit;
 #endif
     }