diff --git a/skystreamer-prometheus-exporter/src/posts.rs b/skystreamer-prometheus-exporter/src/posts.rs
index 14958be..a6243e4 100644
--- a/skystreamer-prometheus-exporter/src/posts.rs
+++ b/skystreamer-prometheus-exporter/src/posts.rs
@@ -265,7 +265,7 @@ impl PostsRegistry {
 
         {
             // Languages of the posts
-            let langs = post
+            let mut langs = post
                 .language
                 .iter()
                 .map(|lang| {
@@ -291,6 +291,9 @@ impl PostsRegistry {
                 })
                 .collect::<Vec<_>>();
 
+            // sort the languages
+            langs.sort();
+
             langs.iter().for_each(|lang| {
                 self.language_counter_individual
                     .with_label_values(&[lang])