diff --git a/htdocs/adherents/card.php b/htdocs/adherents/card.php
index 6b8a3fbc267..fd500b34775 100644
--- a/htdocs/adherents/card.php
+++ b/htdocs/adherents/card.php
@@ -312,7 +312,7 @@ if (empty($reshook)) {
 			$object->public      = GETPOST("public", 'alpha');
 
 			// Fill array 'array_options' with data from add form
-			$ret = $extrafields->setOptionalsFromPost(null, $object);
+			$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 			if ($ret < 0) {
 				$error++;
 			}
diff --git a/htdocs/adherents/type.php b/htdocs/adherents/type.php
index 76099ff7d66..bdae16901c1 100644
--- a/htdocs/adherents/type.php
+++ b/htdocs/adherents/type.php
@@ -180,7 +180,7 @@ if ($action == 'update' && $user->rights->adherent->configurer) {
 	$object->vote = (boolean) trim($vote);
 
 	// Fill array 'array_options' with data from add form
-	$ret = $extrafields->setOptionalsFromPost(null, $object);
+	$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 	if ($ret < 0) {
 		$error++;
 	}
diff --git a/htdocs/asset/type.php b/htdocs/asset/type.php
index b09b56ffbcf..4568004b33b 100644
--- a/htdocs/asset/type.php
+++ b/htdocs/asset/type.php
@@ -158,7 +158,7 @@ if ($action == 'update' && $user->rights->asset->write) {
 	$object->note = trim($comment);
 
 	// Fill array 'array_options' with data from add form
-	$ret = $extrafields->setOptionalsFromPost(null, $object);
+	$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 	if ($ret < 0) {
 		$error++;
 	}
diff --git a/htdocs/categories/edit.php b/htdocs/categories/edit.php
index 91d32736cbc..2b3ffc95c41 100644
--- a/htdocs/categories/edit.php
+++ b/htdocs/categories/edit.php
@@ -105,7 +105,7 @@ if ($action == 'update' && $user->rights->categorie->creer) {
 		setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentities("Label")), null, 'errors');
 	}
 	if (!$error && empty($object->error)) {
-		$ret = $extrafields->setOptionalsFromPost(null, $object);
+		$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 		if ($ret < 0) {
 			$error++;
 		}
diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 54cfea64743..752868acb87 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -585,7 +585,7 @@ if (empty($reshook) && $action == 'update') {
 		}
 
 		// Fill array 'array_options' with data from add form
-		$ret = $extrafields->setOptionalsFromPost(null, $object);
+		$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 		if ($ret < 0) {
 			$error++;
 		}
diff --git a/htdocs/compta/bank/card.php b/htdocs/compta/bank/card.php
index c6b852be444..989ab236a1c 100644
--- a/htdocs/compta/bank/card.php
+++ b/htdocs/compta/bank/card.php
@@ -156,7 +156,7 @@ if (empty($reshook)) {
 		}
 
 		// Fill array 'array_options' with data from add form
-		$ret = $extrafields->setOptionalsFromPost(null, $object);
+		$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 
 		if (!$error) {
 			$id = $object->create($user);
diff --git a/htdocs/contact/card.php b/htdocs/contact/card.php
index 5110e08e2fc..c8ff3135aa7 100644
--- a/htdocs/contact/card.php
+++ b/htdocs/contact/card.php
@@ -420,7 +420,7 @@ if (empty($reshook)) {
 			$object->roles = GETPOST("roles", 'array'); // Note GETPOSTISSET("role") is null when combo is empty
 
 			// Fill array 'array_options' with data from add form
-			$ret = $extrafields->setOptionalsFromPost(null, $object);
+			$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 			if ($ret < 0) {
 				$error++;
 			}
diff --git a/htdocs/contact/list.php b/htdocs/contact/list.php
index 695d4ead3cc..fd61f16dd0c 100644
--- a/htdocs/contact/list.php
+++ b/htdocs/contact/list.php
@@ -101,9 +101,12 @@ $search_roles = GETPOST("search_roles", 'array');
 $search_level = GETPOST("search_level", "array");
 $search_stcomm = GETPOST('search_stcomm', 'int');
 
-if ($search_status == '') {
+if ($search_status === '') {
 	$search_status = 1; // always display active customer first
 }
+if ($search_no_email === '') {
+	$search_no_email = -1;
+}
 
 $optioncss = GETPOST('optioncss', 'alpha');
 
diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index fc28abe6aa6..6b627e51ab6 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -2069,7 +2069,8 @@ class ExtraFields
 				if (!empty($onlykey) && $onlykey != '@GETPOSTISSET' && $key != $onlykey) {
 					continue;
 				}
-				if (!empty($onlykey) && $onlykey == '@GETPOSTISSET' && !GETPOSTISSET('options_'.$key)) {
+				if (!empty($onlykey) && $onlykey == '@GETPOSTISSET' && !GETPOSTISSET('options_'.$key) && $this->attributes[$object->table_element]['type'][$key] != 'boolean') {
+	                //when unticking boolean field, it's not set in POST
 					continue;
 				}
 
diff --git a/htdocs/don/card.php b/htdocs/don/card.php
index 9579497411f..bcd3da0dfb5 100644
--- a/htdocs/don/card.php
+++ b/htdocs/don/card.php
@@ -161,7 +161,7 @@ if ($action == 'update') {
 		$object->modepaymentid = (int) GETPOST('modepayment', 'int');
 
 		// Fill array 'array_options' with data from add form
-		$ret = $extrafields->setOptionalsFromPost(null, $object);
+		$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 		if ($ret < 0) {
 			$error++;
 		}
diff --git a/htdocs/product/stock/card.php b/htdocs/product/stock/card.php
index 5ea58da6deb..d1bd49629c6 100644
--- a/htdocs/product/stock/card.php
+++ b/htdocs/product/stock/card.php
@@ -183,7 +183,7 @@ if (empty($reshook)) {
 			$object->fax = GETPOST("fax");
 
 			// Fill array 'array_options' with data from add form
-			$ret = $extrafields->setOptionalsFromPost(null, $object);
+	        $ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 			if ($ret < 0) {
 				$error++;
 			}
diff --git a/htdocs/projet/card.php b/htdocs/projet/card.php
index 50d6235dc7d..89bdb013a32 100644
--- a/htdocs/projet/card.php
+++ b/htdocs/projet/card.php
@@ -270,7 +270,7 @@ if (empty($reshook)) {
 			$object->usage_organize_event = (GETPOST('usage_organize_event', 'alpha') == 'on' ? 1 : 0);
 
 			// Fill array 'array_options' with data from add form
-			$ret = $extrafields->setOptionalsFromPost(null, $object);
+			$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 			if ($ret < 0) {
 				$error++;
 			}
diff --git a/htdocs/projet/tasks/task.php b/htdocs/projet/tasks/task.php
index b31ba6f0e7b..bec61ec0f48 100644
--- a/htdocs/projet/tasks/task.php
+++ b/htdocs/projet/tasks/task.php
@@ -107,7 +107,7 @@ if ($action == 'update' && !GETPOST("cancel") && $user->rights->projet->creer) {
 		$object->progress = price2num(GETPOST('progress', 'alphanohtml'));
 
 		// Fill array 'array_options' with data from add form
-		$ret = $extrafields->setOptionalsFromPost(null, $object);
+		$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 		if ($ret < 0) {
 			$error++;
 		}
diff --git a/htdocs/resource/card.php b/htdocs/resource/card.php
index 1b4c71b158b..c258348a7a4 100644
--- a/htdocs/resource/card.php
+++ b/htdocs/resource/card.php
@@ -139,7 +139,7 @@ if (empty($reshook)) {
 				$object->country_id             = $country_id;
 
 				// Fill array 'array_options' with data from add form
-				$ret = $extrafields->setOptionalsFromPost(null, $object);
+				$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 				if ($ret < 0) {
 					$error++;
 				}
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index 68218ab16bd..23437a7564c 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -462,7 +462,7 @@ if (empty($reshook)) {
 				}
 
 				// Fill array 'array_options' with data from add form
-				$ret = $extrafields->setOptionalsFromPost(null, $object);
+				$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 				if ($ret < 0) {
 					$error++;
 				}
diff --git a/htdocs/user/group/card.php b/htdocs/user/group/card.php
index 56af96740d4..2ce8c6136db 100644
--- a/htdocs/user/group/card.php
+++ b/htdocs/user/group/card.php
@@ -210,7 +210,7 @@ if (empty($reshook)) {
 			$object->note	= dol_htmlcleanlastbr(trim(GETPOST("note", 'restricthtml')));
 
 			// Fill array 'array_options' with data from add form
-			$ret = $extrafields->setOptionalsFromPost(null, $object);
+			$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 			if ($ret < 0) {
 				$error++;
 			}