diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 6d4517cfbe..006c506a37 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -534,7 +534,7 @@ void aml_append(Aml *parent_ctx, Aml *child)
     case AML_NO_OPCODE:
         break;
     default:
-        assert(0);
+        g_assert_not_reached();
         break;
     }
     build_append_array(parent_ctx->buf, buf);