2 files changed, 3 insertions, 1 deletions
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d8812c0..507bb15 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -14,6 +14,8 @@ Changed
 -------
 
 - Change the releng profile's locale from ``en_US.UTF-8`` to ``C.UTF-8``.
+- Set ``LC_ALL`` to ``C.UTF-8`` instead of ``C`` in mkarchiso since it is now available and non-UTF-8 locales should be
+  avoided.
 
 Removed
 -------
diff --git a/archiso/mkarchiso b/archiso/mkarchiso
index 3e0a86f..f8c180a 100755
--- a/archiso/mkarchiso
+++ b/archiso/mkarchiso
@@ -6,7 +6,7 @@ set -e -u
 
 # Control the environment
 umask 0022
-export LC_ALL="C"
+export LC_ALL="C.UTF-8"
 [[ -v SOURCE_DATE_EPOCH ]] || printf -v SOURCE_DATE_EPOCH '%(%s)T' -1
 export SOURCE_DATE_EPOCH