diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 4dc8665907f..d3ecab9ee48 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -2063,7 +2063,7 @@ function img_phone($alt = 'default', $option = 0)
 
 	if ($alt == 'default') $alt = $langs->trans('Call');
 
-    if ($option == 1) $img = 'call';
+	if ($option == 1) $img = 'call';
 	else $img = 'call_out';
 
 	return img_picto($alt, $img);