diff --git a/core/mem/virtual/arena.odin b/core/mem/virtual/arena.odin
index 155b17c8d..80c231c31 100644
--- a/core/mem/virtual/arena.odin
+++ b/core/mem/virtual/arena.odin
@@ -107,11 +107,11 @@ arena_alloc :: proc(arena: ^Arena, size: uint, alignment: uint, loc := #caller_l
 		if arena.curr_block == nil || (safe_add(arena.curr_block.used, needed) or_else 0) > arena.curr_block.reserved {
 			if arena.minimum_block_size == 0 {
 				arena.minimum_block_size = DEFAULT_ARENA_GROWING_MINIMUM_BLOCK_SIZE
-				arena.minimum_block_size = mem.align_formula_uint(arena.minimum_block_size, DEFAULT_PAGE_SIZE)
+				arena.minimum_block_size = mem.align_forward_uint(arena.minimum_block_size, DEFAULT_PAGE_SIZE)
 			}
 			if arena.default_commit_size == 0 {
 				arena.default_commit_size = min(DEFAULT_ARENA_GROWING_COMMIT_SIZE, arena.minimum_block_size)
-				arena.default_commit_size = mem.align_formula_uint(arena.default_commit_size, DEFAULT_PAGE_SIZE)
+				arena.default_commit_size = mem.align_forward_uint(arena.default_commit_size, DEFAULT_PAGE_SIZE)
 			}
 
 			if arena.default_commit_size != 0 {