diff --git a/src/tbbmalloc/frontend.cpp b/src/tbbmalloc/frontend.cpp
index 28338b7c089..3fc33c0c225 100644
--- a/src/tbbmalloc/frontend.cpp
+++ b/src/tbbmalloc/frontend.cpp
@@ -551,7 +551,7 @@ class FreeBlockPool {
     };
 
     // allocated in zero-initialized memory
-    FreeBlockPool(Backend *bknd) : backend(bknd) {}
+    FreeBlockPool(Backend *bknd) : backend(bknd), lastAccessMiss(false) {}
     ResOfGet getBlock();
     void returnBlock(Block *block);
     bool externalCleanup(); // can be called by another thread