diff --git a/support/download/svn b/support/download/svn
index 1decb2310b..d7c7a686de 100755
--- a/support/download/svn
+++ b/support/download/svn
@@ -79,7 +79,7 @@ done
 # In case there is a redirection (e.g. http -> https), just keep the
 # last line (svn outputs everything on stdout)
 # shellcheck disable=SC2086 # creds may be empty
-date="$( _plain_svn info ${creds} "'${uri}@${rev}'" \
+date="$( LC_ALL=C _plain_svn info ${creds} "'${uri}@${rev}'" \
         |sed -r -e '/^Last Changed Date: /!d; s///'
        )"