diff --git a/build/valgrind/cross-architecture.sup b/build/valgrind/cross-architecture.sup
index fdc405874c7d..624c504b2827 100644
--- a/build/valgrind/cross-architecture.sup
+++ b/build/valgrind/cross-architecture.sup
@@ -150,7 +150,7 @@
    match-leak-kinds: definite
    fun:malloc
    ...
-   fun:_ZN3std*thread*local*4fast12Key$LT$T$GT$14try_initialize*
+   fun:_ZN3std*thread*local*fast*12Key$LT$T$GT$14try_initialize*
    ...
    fun:_ZN5style5bloom19StyleBloom$LT$E$GT$3new*
    ...
@@ -161,7 +161,7 @@
    match-leak-kinds: definite
    fun:malloc
    ...
-   fun:_ZN3std*thread*local*4fast12Key$LT$T$GT$14try_initialize*
+   fun:_ZN3std*thread*local*fast*12Key$LT$T$GT$14try_initialize*
    ...
    fun:_ZN5style7sharing26StyleSharingCache$LT$E$GT$3new*
    ...