diff --git a/include/dolphin/types.h b/include/dolphin/types.h
index cd351fbb..db8b9b8c 100644
--- a/include/dolphin/types.h
+++ b/include/dolphin/types.h
@@ -22,6 +22,7 @@ typedef unsigned long u32;
 typedef unsigned long long int u64;
 
 typedef u32 size_t;
+typedef u32 uintptr_t;
 #endif
 
 typedef volatile u8 vu8;
diff --git a/include/game/memory.h b/include/game/memory.h
index c5978975..a32b1a84 100644
--- a/include/game/memory.h
+++ b/include/game/memory.h
@@ -28,10 +28,10 @@ u32 HuMemHeapSizeGet(HeapID heap);
 void *HuMemHeapPtrGet(HeapID heap);
 
 void *HuMemHeapInit(void *ptr, s32 size);
-void *HuMemMemoryAlloc(void *heap_ptr, s32 size, size_t retaddr);
-void *HuMemMemoryAllocNum(void *heap_ptr, s32 size, u32 num, size_t retaddr);
-void HuMemMemoryFree(void *ptr, size_t retaddr);
-void HuMemMemoryFreeNum(void *heap_ptr, u32 num, size_t retaddr);
+void *HuMemMemoryAlloc(void *heap_ptr, s32 size, uintptr_t retaddr);
+void *HuMemMemoryAllocNum(void *heap_ptr, s32 size, u32 num, uintptr_t retaddr);
+void HuMemMemoryFree(void *ptr, uintptr_t retaddr);
+void HuMemMemoryFreeNum(void *heap_ptr, u32 num, uintptr_t retaddr);
 s32 HuMemUsedMemorySizeGet(void *heap_ptr);
 s32 HuMemUsedMemoryBlockGet(void *heap_ptr);
 s32 HuMemMemorySizeGet(void *ptr);
diff --git a/src/game/memory.c b/src/game/memory.c
index 77b0a569..908c294f 100644
--- a/src/game/memory.c
+++ b/src/game/memory.c
@@ -13,10 +13,10 @@ struct memory_block {
     struct memory_block *prev;
     struct memory_block *next;
     u32 num;
-    size_t retaddr;
+    uintptr_t retaddr;
 };
 
-static void *HuMemMemoryAlloc2(void *heap_ptr, s32 size, u32 num, size_t retaddr);
+static void *HuMemMemoryAlloc2(void *heap_ptr, s32 size, u32 num, uintptr_t retaddr);
 
 void *HuMemHeapInit(void *ptr, s32 size)
 {
@@ -31,17 +31,17 @@ void *HuMemHeapInit(void *ptr, s32 size)
     return block;
 }
 
-void *HuMemMemoryAllocNum(void *heap_ptr, s32 size, u32 num, size_t retaddr)
+void *HuMemMemoryAllocNum(void *heap_ptr, s32 size, u32 num, uintptr_t retaddr)
 {
     return HuMemMemoryAlloc2(heap_ptr, size, num, retaddr);
 }
 
-void *HuMemMemoryAlloc(void *heap_ptr, s32 size, size_t retaddr)
+void *HuMemMemoryAlloc(void *heap_ptr, s32 size, uintptr_t retaddr)
 {
     return HuMemMemoryAlloc2(heap_ptr, size, -256, retaddr);
 }
 
-static void *HuMemMemoryAlloc2(void *heap_ptr, s32 size, u32 num, size_t retaddr)
+static void *HuMemMemoryAlloc2(void *heap_ptr, s32 size, u32 num, uintptr_t retaddr)
 {
     s32 alloc_size = MEM_ALLOC_SIZE(size);
     struct memory_block *block = heap_ptr;
@@ -72,7 +72,7 @@ static void *HuMemMemoryAlloc2(void *heap_ptr, s32 size, u32 num, size_t retaddr
     return NULL;
 }
 
-void HuMemMemoryFreeNum(void *heap_ptr, u32 num, size_t retaddr)
+void HuMemMemoryFreeNum(void *heap_ptr, u32 num, uintptr_t retaddr)
 {
     struct memory_block *block = heap_ptr;
     do {
@@ -90,7 +90,7 @@ static void HuMemTailMemoryAlloc2() //Required for string literal
     OSReport("memory allocation(tail) error.\n");
 }
 
-void HuMemMemoryFree(void *ptr, size_t retaddr)
+void HuMemMemoryFree(void *ptr, uintptr_t retaddr)
 {
     struct memory_block *block;
     if(!ptr) {