diff --git a/urchin b/urchin
index d7882d5..16fab98 100755
--- a/urchin
+++ b/urchin
@@ -333,7 +333,7 @@ report_outcome() {
   # Use a temporary file rather than a pipe because a pipe starts a sub-shell
   # and thus makes the above variables local.
   sorted_log_file=$(mktemp)
-  cat "${log_file}" | LC_ALL=POSIX sort > "${sorted_log_file}"
+  cat "${log_file}" | LC_COLLATE=C sort > "${sorted_log_file}"
 
   while read line; do
     abspath=$(echo "${line}" | cut -f1)