diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 1a891a20da5bfcc5d45663387eb5397c0ee713fc..e3afa136782f009703e4922692623d7de108d526 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -266,6 +266,7 @@ Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 Aml *aml_method(const char *name, int arg_count);
 Aml *aml_if(Aml *predicate);
 Aml *aml_else(void);
+Aml *aml_while(Aml *predicate);
 Aml *aml_package(uint8_t num_elements);
 Aml *aml_buffer(int buffer_size, uint8_t *byte_list);
 Aml *aml_resource_template(void);