diff --git a/minimal_heap.h b/minimal_heap.h
index db74103..3d2dd0e 100644
--- a/minimal_heap.h
+++ b/minimal_heap.h
@@ -1,4 +1,4 @@
-/* Version 1.7 */
+/* Version 1.8 */
 
 #ifndef __MINIMAL_HEAP_H__
 #define __MINIMAL_HEAP_H__
@@ -169,8 +169,8 @@ void MIHP_ValidateHeapSegmentHeader(const MIHP_Heap* heap, const MIHP_HeapSegmen
 size_t MIHP_GetMinimalPayloadSize(const MIHP_Heap* heap);
 /* */
 
+#if MIHP_IMPLEMENTATION
+#include "minimal_heap_implementation.inl"
 #endif
 
-#if MIHP_IMPLEMENTATION
-	#include "minimal_heap_implementation.inl"
 #endif
diff --git a/minimal_heap_implementation.inl b/minimal_heap_implementation.inl
index 14897cc..ba5873f 100644
--- a/minimal_heap_implementation.inl
+++ b/minimal_heap_implementation.inl
@@ -8,7 +8,7 @@ MIHP_HeapConfig MIHP_MakeDefaultConfigPreset()
 	MIHP_HeapConfig cfg = { 0 };
 
 	cfg.MinMemoryAreaSize = 4096 * 32;
-	cfg.MaxMemoryAreaSize = 4096 * 4096 * 8;
+	cfg.MaxMemoryAreaSize = 4096 * 4096 * 128;
 
 	cfg.MinTotalTraversalsBeforeHeapExpansion = 10'000;
 	cfg.MinHeapTraversalPercentToExpand = 80;
@@ -187,10 +187,11 @@ void* MIHP_Allocate(MIHP_Heap* heap, size_t size)
 
 	/* No free segment found (in time), allocate new area */ 
 
-	size_t newAreaSize = heap->Stats.TotalSize;
+
+	size_t newAreaSize = heap->Stats.TotalSize / 4;  // growth-rate of 1.25
 
 	while (newAreaSize < size)
-		newAreaSize = MIHP_MIN(heap->Config.MaxMemoryAreaSize, newAreaSize * 2);
+		newAreaSize = MIHP_MIN(heap->Config.MaxMemoryAreaSize, newAreaSize + newAreaSize / 4);
 
 	MIHP_HeapMemoryAreaHeader* newArea = MIHP_CreateHeapMemoryArea(heap, newAreaSize);
 	if (newArea == NULL)
diff --git a/minimal_heap_test.c b/minimal_heap_test.c
index 3537976..da65fb0 100644
--- a/minimal_heap_test.c
+++ b/minimal_heap_test.c
@@ -26,7 +26,7 @@ void OnHeapCorruptionDetectedCallback(const MIHP_Heap* heap, MIHP_HeapCorruption
 	__debugbreak();
 }
 
-#define NUM_ALLOCATIONS (4096 * 4)
+#define NUM_ALLOCATIONS (4096 * 4096)
 
 void* myptrs[NUM_ALLOCATIONS] = { 0 };
 
@@ -37,8 +37,9 @@ int main()
 	config.PlatformRequestMemoryFn = RequestMemory;
 	config.PlatformFreeMemoryFn = FreeMemory;
 	config.OnHeapCorruptionDetectedFn = OnHeapCorruptionDetectedCallback;
+	config.MaxMemoryAreaSize *= 16;
 
-	config.HeapValidationMode = MIHP_HVM_Checksum;
+	config.HeapValidationMode = MIHP_HVM_MagicNumber;
 
 	MIHP_Heap myHeap = { 0 };
 	MIHP_InitializeHeap(&myHeap, config);