diff --git a/contrib/gcc-changelog/git_commit.py b/contrib/gcc-changelog/git_commit.py
index 041769fac18..1bb24f46275 100755
--- a/contrib/gcc-changelog/git_commit.py
+++ b/contrib/gcc-changelog/git_commit.py
@@ -151,6 +151,7 @@ ignored_prefixes = {
     'libffi/',
     'libgo/',
     'libgrust/rustc-lib/core/',
+    'libgrust/rustc-lib/stdarch/',
     'libphobos/libdruntime/',
     'libphobos/src/',
     'libsanitizer/',