diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 2449d19d7b7..fec2ca07c2d 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -7895,7 +7895,7 @@ class Form
 					$retstring .= '<input id="'.$prefix.'" name="'.$prefix.'" type="'.($usecalendar == 'html' ? "date" : "text").'" class="maxwidthdate'.(getDolUserString('MAIN_OPTIMIZEFORTEXTBROWSER') ? ' textbrowser' : '').' center" maxlength="11" value="'.$formatted_date.'"';
 					$retstring .= ($disabled ? ' disabled' : '');
 					$retstring .= ($placeholder ? ' placeholder="' . dol_escape_htmltag($placeholder) . '"' : '');
-					$retstring .= ' onChange="dpChangeDay(\'' . dol_escape_js($prefix) . '\',\'' . dol_escape_js($formatjslong) . '\'); "'; // FormatDateShortInput for dol_print_date / FormatDateShortJavaInput that is same for javascript
+					$retstring .= ' onChange="dpChangeDay(\'' . dol_escape_js($prefix) . '\',\'' . dol_escape_js($usecalendar == 'html' ? 'yyyy-mm-dd' : $formatjslong) . '\'); "'; // FormatDateShortInput for dol_print_date / FormatDateShortJavaInput that is same for javascript
 					$retstring .= ' autocomplete="off">';
 
 					// Icon calendar
diff --git a/htdocs/core/js/lib_head.js.php b/htdocs/core/js/lib_head.js.php
index 289b9a13fc6..9e94983fa28 100644
--- a/htdocs/core/js/lib_head.js.php
+++ b/htdocs/core/js/lib_head.js.php
@@ -248,15 +248,17 @@ function getObjectFromID(id){
 // Called after the selection or typing of a date to save details into detailed fields
 function dpChangeDay(dateFieldID, format)
 {
-	console.log("Call dpChangeDay, we save date into detailed fields from format = "+format);
+	console.log("Call dpChangeDay, we save date from field "+dateFieldID+" into detailed fields from format = "+format);
 
 	var thefield = getObjectFromID(dateFieldID);
 	var thefieldday = getObjectFromID(dateFieldID+"day");
 	var thefieldmonth = getObjectFromID(dateFieldID+"month");
 	var thefieldyear = getObjectFromID(dateFieldID+"year");
 
+	console.log("string date value is " + thefield.value);
+
 	var date = getDateFromFormat(thefield.value, format);
-	//console.log(date);
+
 	if (date)
 	{
 		thefieldday.value = date.getDate();