diff --git a/tests/sw_tree1.supp b/tests/sw_tree1.supp
index 279f9e5..fcb1950 100644
--- a/tests/sw_tree1.supp
+++ b/tests/sw_tree1.supp
@@ -11,7 +11,7 @@
    allocation methods causes uninitialized data in alignment gap
    Memcheck:Param
    write(buf)
-   fun:__write_nocancel
+   fun:write
    fun:utilfdt_write_err
    fun:save_blob
    fun:main