diff --git a/libc/malloc_debug/DebugData.cpp b/libc/malloc_debug/DebugData.cpp
index d6ca998..76f8fbb 100644
--- a/libc/malloc_debug/DebugData.cpp
+++ b/libc/malloc_debug/DebugData.cpp
@@ -94,16 +94,25 @@
   if (track != nullptr) {
     track->PrepareFork();
   }
+  if (free_track != nullptr) {
+    free_track->PrepareFork();
+  }
 }
 
 void DebugData::PostForkParent() {
   if (track != nullptr) {
     track->PostForkParent();
   }
+  if (free_track != nullptr) {
+    free_track->PostForkParent();
+  }
 }
 
 void DebugData::PostForkChild() {
   if (track != nullptr) {
     track->PostForkChild();
   }
+  if (free_track != nullptr) {
+    free_track->PostForkChild();
+  }
 }