diff --git a/kernel/brick.c b/kernel/brick.c
index 9ffd3b51..16ed3739 100644
--- a/kernel/brick.c
+++ b/kernel/brick.c
@@ -201,6 +201,7 @@ int generic_brick_init_full(
 	for (i = 0; i < brick_type->max_inputs; i++) {
 		struct generic_input *input = data;
 		const struct generic_input_type *type = *input_types++;
+		int input_size;
 
 		if (!type || type->input_size <= 0) {
 			return -EINVAL;
@@ -209,8 +210,11 @@ int generic_brick_init_full(
 		status = generic_input_init(brick, i, type, input, (names && *names) ? *names++ : type->type_name);
 		if (status < 0)
 			return status;
-		data += type->input_size;
-		size -= type->input_size;
+		input_size = type->input_size;
+		input_size = DIV_ROUND_UP(input_size,
+					  sizeof(void *)) * sizeof(void *);
+		data += input_size;
+		size -= input_size;
 		if (size < 0)
 			return -ENOMEM;
 	}
diff --git a/kernel/brick.h b/kernel/brick.h
index d8991526..5ce11fa4 100644
--- a/kernel/brick.h
+++ b/kernel/brick.h
@@ -561,7 +561,11 @@ INLINE int generic_size(const struct generic_brick_type *brick_type)
 	size = DIV_ROUND_UP(size, sizeof(void *)) * sizeof(void *);
 	size += brick_type->max_inputs * sizeof(void*);
 	for (i = 0; i < brick_type->max_inputs; i++) {
-		size += brick_type->default_input_types[i]->input_size;
+		int input_size = brick_type->default_input_types[i]->input_size;
+
+		input_size = DIV_ROUND_UP(input_size,
+					  sizeof(void *)) * sizeof(void *);
+		size += input_size;
 	}
 	size += brick_type->max_outputs * sizeof(void*);
 	for (i = 0; i < brick_type->max_outputs; i++) {
diff --git a/kernel/sy_old/sy_generic.c b/kernel/sy_old/sy_generic.c
index 11c523bb..cc77fc6e 100644
--- a/kernel/sy_old/sy_generic.c
+++ b/kernel/sy_old/sy_generic.c
@@ -2849,15 +2849,20 @@ struct mars_brick *mars_make_brick(struct mars_global *global, struct mars_dent
 	input_types = brick_type->default_input_types;
 	for (i = 0; i < brick_type->max_inputs; i++) {
 		const struct generic_input_type *type = *input_types++;
+		int input_size;
+
 		if (unlikely(!type)) {
 			MARS_ERR("input_type %d is missing\n", i);
 			goto err_name;
 		}
-		if (unlikely(type->input_size <= 0)) {
+		input_size = type->input_size;
+		if (unlikely(input_size <= 0)) {
 			MARS_ERR("bad input_size at %d\n", i);
 			goto err_name;
 		}
-		size += type->input_size;
+		input_size = DIV_ROUND_UP(input_size,
+					  sizeof(void *)) * sizeof(void *);
+		size += input_size;
 	}
 	output_types = brick_type->default_output_types;
 	for (i = 0; i < brick_type->max_outputs; i++) {