diff --git a/components/domotic_display/ihm.c b/components/domotic_display/ihm.c
index 4573b9f..1b1a1d1 100644
--- a/components/domotic_display/ihm.c
+++ b/components/domotic_display/ihm.c
@@ -577,7 +577,7 @@ static void weatherdataHeure_obs_cb(lv_observer_t *observer, lv_subject_t *subje
 
         lv_obj_t *timefld = lv_obj_get_child(parent, 0);
         char buffer[8];
-        dtHToString(data->datetime, buffer);
+        dtHToString(data->datetime, buffer,8);
         lv_label_set_text(timefld, buffer);
         showMeteoIcon(data->previsions.icon, parent, 1);
         lv_obj_t *descfld = lv_obj_get_child(parent, 2);
@@ -593,7 +593,7 @@ static void weatherdataHeure_obs_cb(lv_observer_t *observer, lv_subject_t *subje
         showMeteoIcon(data->previsions.icon, temp_desc_icon, 1);
 
         char buffer[8];
-        dtHToString(data->datetime, buffer);
+        dtHToString(data->datetime, buffer,8);
 
         lv_label_set_text(datefld, buffer);
         lv_label_set_text(lv_obj_get_child(temp_desc_icon, 2), data->previsions.desc);
diff --git a/components/meteofrance/include/meteofrance.h b/components/meteofrance/include/meteofrance.h
index b1c6846..92e5317 100644
--- a/components/meteofrance/include/meteofrance.h
+++ b/components/meteofrance/include/meteofrance.h
@@ -67,7 +67,7 @@
     void printftemp(struct forecast_prev * tmp);
     void printfdf(struct meteodailyforecast_data * tmp);
     void dtToString(time_t, char *buffer);
-    void dtHToString(time_t, char *buffer);
+    void dtHToString(time_t, char *buffer, size_t bufSize);
     void printff(struct meteoforecast_data * tmp);
 
     void on_weather_data_retrieval(weather_data_callback data_retreived_cb);
diff --git a/components/meteofrance/meteofrance.c b/components/meteofrance/meteofrance.c
index 629b97e..0cc022e 100644
--- a/components/meteofrance/meteofrance.c
+++ b/components/meteofrance/meteofrance.c
@@ -70,10 +70,10 @@ void dtToString(time_t ttt, char* buffer){
     //sprintf(strftime_buf, "%d %d %d", timeinfo.tm_wday, timeinfo.tm_mday, timeinfo.tm_mon + 1);
 }
 
-void dtHToString(time_t ttt, char* buffer){
+void dtHToString(time_t ttt, char* buffer, size_t bufSize){
     struct tm timeinfo = {0};
     localtime_r(&ttt, &timeinfo);
-    strftime(buffer, MAX_SIZE, "%H:%M", &timeinfo);
+    strftime(buffer, bufSize, "%H:%M", &timeinfo);
     //char strftime_buf[64];
     //sprintf(strftime_buf, "%d %d %d", timeinfo.tm_wday, timeinfo.tm_mday, timeinfo.tm_mon + 1);
 }