diff --git a/base/runtime/core_builtin.odin b/base/runtime/core_builtin.odin
index aed3444d8..324efb05d 100644
--- a/base/runtime/core_builtin.odin
+++ b/base/runtime/core_builtin.odin
@@ -403,6 +403,7 @@ make_map_cap :: proc($T: typeid/map[$K]$E, #any_int capacity: int, allocator :=
 	make_map_expr_error_loc(loc, capacity)
 	context.allocator = allocator
 
+	m.allocator = allocator
 	err = reserve_map(&m, capacity, loc)
 	return
 }
diff --git a/base/runtime/core_builtin_soa.odin b/base/runtime/core_builtin_soa.odin
index ef8603ba4..e76b1eae9 100644
--- a/base/runtime/core_builtin_soa.odin
+++ b/base/runtime/core_builtin_soa.odin
@@ -159,6 +159,7 @@ make_soa_dynamic_array_len :: proc($T: typeid/#soa[dynamic]$E, #any_int length:
 @(builtin, require_results)
 make_soa_dynamic_array_len_cap :: proc($T: typeid/#soa[dynamic]$E, #any_int length, capacity: int, allocator := context.allocator, loc := #caller_location) -> (array: T, err: Allocator_Error) #optional_allocator_error {
 	context.allocator = allocator
+	array.allocator = allocator
 	reserve_soa(&array, capacity, loc) or_return
 	resize_soa(&array, length, loc) or_return
 	return array, nil