diff --git a/std/experimental/allocator/building_blocks/bitmapped_block.d b/std/experimental/allocator/building_blocks/bitmapped_block.d
index bf33c7db8..8a180eea9 100644
--- a/std/experimental/allocator/building_blocks/bitmapped_block.d
+++ b/std/experimental/allocator/building_blocks/bitmapped_block.d
@@ -845,11 +845,11 @@ unittest
     testAllocateAll!(128 * 20)(13 * 128, 128);
 }
 
-// Test totakAllocation
+// Test totalAllocation
 unittest
 {
     BitmappedBlock!(8, 8, NullAllocator) h1;
-    assert(h1.totalAllocation(1) == 16);
+    assert(h1.totalAllocation(1) >= 8);
     assert(h1.totalAllocation(64) == 8 + 8 * 8);
     //writeln(h1.totalAllocation(8 * 64));
     assert(h1.totalAllocation(8 * 64) == 8 + 8 * 64);