diff --git a/hw/acpi.c b/hw/acpi.c
index dcc2c862d39c64d67b0f03e1ab0e579a99f98779..9a69e7df1e8b48dee154df97a854386683eb0716 100644
--- a/hw/acpi.c
+++ b/hw/acpi.c
@@ -920,7 +920,7 @@ int acpi_table_add(const char *t)
     return 0;
 out:
     if (acpi_tables) {
-        free(acpi_tables);
+        qemu_free(acpi_tables);
         acpi_tables = NULL;
     }
     return -1;