diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 762ce407775..77bfb98042f 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -4511,7 +4511,7 @@ function getPictoForType($key)
  *                                  				Example: /mydir/mysubdir/picto.png  if picto.png is stored into htdocs/mydir/mysubdir (pictoisfullpath must be set to 1)
  *                                                  Example: fontawesome_envelope-open-text_fas_red_1em if you want to use fontaweseome icons: fontawesome_<icon-name>_<style>_<color>_<size> (only icon-name is mandatory)
  *	@param		string		$moreatt				Add more attribute on img tag (For example 'class="pictofixedwidth"')
- *	@param		boolean|int	$pictoisfullpath		If true or 1, image path is a full path
+ *	@param		int<0,1>    $pictoisfullpath		If true or 1, image path is a full path, 0 if not
  *	@param		int			$srconly				Return only content of the src attribute of img.
  *  @param		int			$notitle				1=Disable tag title. Use it if you add js tooltip, to avoid duplicate tooltip.
  *  @param		string		$alt					Force alt for bind people
@@ -4520,7 +4520,7 @@ function getPictoForType($key)
  *  @return     string       				    	Return img tag
  *  @see        img_object(), img_picto_common()
  */
-function img_picto($titlealt, $picto, $moreatt = '', $pictoisfullpath = false, $srconly = 0, $notitle = 0, $alt = '', $morecss = '', $marginleftonlyshort = 2)
+function img_picto($titlealt, $picto, $moreatt = '', $pictoisfullpath = 0, $srconly = 0, $notitle = 0, $alt = '', $morecss = '', $marginleftonlyshort = 2)
 {
 	global $conf;
 
@@ -4877,7 +4877,7 @@ function img_picto($titlealt, $picto, $moreatt = '', $pictoisfullpath = false, $
  *	@return	string						Return img tag
  *	@see	img_picto(), img_picto_common()
  */
-function img_object($titlealt, $picto, $moreatt = '', $pictoisfullpath = false, $srconly = 0, $notitle = 0)
+function img_object($titlealt, $picto, $moreatt = '', $pictoisfullpath = 0, $srconly = 0, $notitle = 0)
 {
 	if (strpos($picto, '^') === 0) {
 		return img_picto($titlealt, str_replace('^', '', $picto), $moreatt, $pictoisfullpath, $srconly, $notitle);