diff --git a/gcc/config/arm/arm-cpus.in b/gcc/config/arm/arm-cpus.in
index 728be500b806..c98f8ede8fdb 100644
--- a/gcc/config/arm/arm-cpus.in
+++ b/gcc/config/arm/arm-cpus.in
@@ -716,7 +716,7 @@ begin arch armv8-r
 end arch armv8-r
 
 begin arch armv8.1-m.main
- tune for cortex-m7
+ tune for cortex-m55
  tune flags CO_PROC
  base 8M_MAIN
  profile M