diff --git a/common/objectalloc/CObjectHeap.cpp b/common/objectalloc/CObjectHeap.cpp
index 6e4b9c8..b6a5211 100644
--- a/common/objectalloc/CObjectHeap.cpp
+++ b/common/objectalloc/CObjectHeap.cpp
@@ -69,10 +69,10 @@ void* CObjectHeap::Ptr(uint32_t index, uint32_t objSize, uint32_t heapObjects) {
     if (index >= heapObjects) {
         const char* format = "\"%s\", %s = %ld (0x%08X)";
         const uint8_t bytes[4] = {
-            (index >> 24) & 0xFF,
-            (index >> 16) & 0xFF,
-            (index >> 8) & 0xFF,
-            index & 0xFF
+            static_cast<uint8_t>((index >> 24) & 0xFF),
+            static_cast<uint8_t>((index >> 16) & 0xFF),
+            static_cast<uint8_t>((index >> 8) & 0xFF),
+            static_cast<uint8_t>(index & 0xFF)
         };
 
         if (isprint(bytes[0])