diff --git a/htdocs/comm/action/fiche.php b/htdocs/comm/action/fiche.php
index fc671b76436..44f99a8a8d9 100644
--- a/htdocs/comm/action/fiche.php
+++ b/htdocs/comm/action/fiche.php
@@ -455,7 +455,7 @@ if ($action == 'create')
 	print '<tr><td>'.$langs->trans("Title").'</td><td><input type="text" name="label" size="60" value="'.GETPOST('label').'"></td></tr>';
 
     // Full day
-    print '<tr><td>'.$langs->trans("EventOnFullDay").'</td><td><input type="checkbox" id="fullday" name="fullday" '.(GETPOST('fullday')?' checked="checked"':'').'></td></tr>';
+    print '<tr><td class="fieldrequired">'.$langs->trans("EventOnFullDay").'</td><td><input type="checkbox" id="fullday" name="fullday" '.(GETPOST('fullday')?' checked="checked"':'').'></td></tr>';
 
 	// Date start
 	$datep=$actioncomm->datep;
@@ -699,7 +699,7 @@ if ($id)
 		print '<tr><td>'.$langs->trans("Title").'</td><td colspan="3"><input type="text" name="label" size="50" value="'.$act->label.'"></td></tr>';
 
         // Full day event
-        print '<tr><td>'.$langs->trans("EventOnFullDay").'</td><td colspan="3"><input type="checkbox" id="fullday" name="fullday" '.($act->fulldayevent?' checked="checked"':'').'></td></tr>';
+        print '<tr><td class="fieldrequired">'.$langs->trans("EventOnFullDay").'</td><td colspan="3"><input type="checkbox" id="fullday" name="fullday" '.($act->fulldayevent?' checked="checked"':'').'></td></tr>';
 
 		// Date start
 		print '<tr><td nowrap="nowrap" class="fieldrequired">'.$langs->trans("DateActionStart").'</td><td colspan="3">';
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index 3bcac38aaba..75d25216b81 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -746,11 +746,13 @@ if (! is_array($theme_datacolor)) $theme_datacolor=array(array(120,130,150), arr
 if (empty($action) || $action == 'show_month')      // View by month
 {
     $newparam=$param;   // newparam is for birthday links
+    $newparam=preg_replace('/showbirthday=/i','showbirthday_=',$newparam);	// To avoid replacement when replace day= is done
     $newparam=preg_replace('/action=show_month&?/i','',$newparam);
     $newparam=preg_replace('/action=show_week&?/i','',$newparam);
-    $newparam=preg_replace('/day=[0-9][0-9]&?/i','',$newparam);
-    $newparam=preg_replace('/month=[0-9][0-9]&?/i','',$newparam);
+    $newparam=preg_replace('/day=[0-9]+&?/i','',$newparam);
+    $newparam=preg_replace('/month=[0-9]+&?/i','',$newparam);
     $newparam=preg_replace('/year=[0-9]+&?/i','',$newparam);
+    $newparam=preg_replace('/showbirthday_=/i','showbirthday=',$newparam);	// Restore correct parameter
     echo '<table width="100%" class="nocellnopadd">';
     echo ' <tr class="liste_titre">';
     $i=0;
@@ -812,11 +814,13 @@ if (empty($action) || $action == 'show_month')      // View by month
 elseif ($action == 'show_week') // View by week
 {
     $newparam=$param;   // newparam is for birthday links
+    $newparam=preg_replace('/showbirthday=/i','showbirthday_=',$newparam);	// To avoid replacement when replace day= is done
     $newparam=preg_replace('/action=show_month&?/i','',$newparam);
     $newparam=preg_replace('/action=show_week&?/i','',$newparam);
-    $newparam=preg_replace('/day=[0-9][0-9]&?/i','',$newparam);
-    $newparam=preg_replace('/month=[0-9][0-9]&?/i','',$newparam);
+    $newparam=preg_replace('/day=[0-9]+&?/i','',$newparam);
+    $newparam=preg_replace('/month=[0-9]+&?/i','',$newparam);
     $newparam=preg_replace('/year=[0-9]+&?/i','',$newparam);
+    $newparam=preg_replace('/showbirthday_=/i','showbirthday=',$newparam);	// Restore correct parameter
     echo '<table width="100%" class="nocellnopadd">';
     echo ' <tr class="liste_titre">';
     $i=0;
@@ -868,9 +872,6 @@ else    // View by day
     $newparam=$param;   // newparam is for birthday links
     $newparam=preg_replace('/action=show_month&?/i','',$newparam);
     $newparam=preg_replace('/action=show_week&?/i','',$newparam);
-    $newparam=preg_replace('/day=[0-9][0-9]&?/i','',$newparam);
-    $newparam=preg_replace('/month=[0-9][0-9]&?/i','',$newparam);
-    $newparam=preg_replace('/year=[0-9]+&?/i','',$newparam);
     // Code to show just one day
     $style='cal_current_month';
     $today=0;