2 files changed, 5 insertions, 5 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 980fefc4eae..aa429636bd3 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -622,7 +622,7 @@ QQueuedMetaCallEvent::~QQueuedMetaCallEvent()
     }
     if (d.nargs_) {
         if (static_cast<void *>(d.args_) != prealloc_)
-            free(d.args_);
+            QtPrivate::sizedFree(d.args_, d.nargs_, PtrAndTypeSize);
     }
 }
 
@@ -634,9 +634,8 @@ inline void QQueuedMetaCallEvent::allocArgs()
     if (!d.nargs_)
         return;
 
-    constexpr size_t each = sizeof(void*) + sizeof(QMetaType);
-    void *const memory = d.nargs_ * each > sizeof(prealloc_) ?
-        calloc(d.nargs_, each) : prealloc_;
+    void *const memory = d.nargs_ * PtrAndTypeSize > sizeof(prealloc_) ?
+        calloc(d.nargs_, PtrAndTypeSize) : prealloc_;
 
     Q_CHECK_PTR(memory);
     d.args_ = static_cast<void **>(memory);
diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h
index be3e8f58f09..72d00ead769 100644
--- a/src/corelib/kernel/qobject_p.h
+++ b/src/corelib/kernel/qobject_p.h
@@ -406,7 +406,8 @@ private:
 
     // Space for 5 argument pointers and types (including 1 return arg).
     // Contiguous so that we can make one calloc() for both the pointers and the types when necessary.
-    alignas(void *) char prealloc_[5 * sizeof(void *) + 5 * sizeof(QMetaType)];
+    static constexpr size_t PtrAndTypeSize = sizeof(void *) + sizeof(QMetaType);
+    alignas(void *) char prealloc_[5 * PtrAndTypeSize];
     struct ArgValueStorage { // size and alignment matching QString, QList, etc
         static constexpr size_t MaxSize = 3 * sizeof(void *);
         alignas(void *) char storage[MaxSize];