diff --git a/include/array_view.h b/include/array_view.h
index e40918d..68a3cf0 100644
--- a/include/array_view.h
+++ b/include/array_view.h
@@ -1067,7 +1067,7 @@ public:
 	}
 	bounds_iterator& operator--() _NOEXCEPT
 	{
-		for (int i = rank; i-- > 0;)
+		for (size_t i = rank; i-- > 0;)
 		{
 			if (curr[i]-- > 0)
 			{
@@ -1335,7 +1335,7 @@ namespace details
 		auto extents = bnd.index_bounds();
 		typename Bounds::index_type stride;
 		stride[Bounds::rank - 1] = 1;	
-		for (int i = Bounds::rank - 2; i >= 0; --i)
+		for (size_t i = Bounds::rank - 2; i >= 0; --i)
 			stride[i] = stride[i + 1] * extents[i + 1];
 		return stride;		
 	}
@@ -2035,7 +2035,7 @@ private:
 		fail_fast_assert(strides[rank - 1] == 1, "Only strided arrays with regular strides can be resized");
 		fail_fast_assert(strides[rank - 2] >= d && (strides[rank - 2] % d == 0), "The strides must have contiguous chunks of memory that can contain a multiple of new type elements");
 
-		for (int i = rank - 2; i >= 0; --i)
+		for (size_t i = rank - 2; i >= 0; --i)
 		{
 			fail_fast_assert((strides[i] >= strides[i + 1]) && (strides[i] % strides[i + 1] == 0), "Only strided arrays with regular strides can be resized");
 		}