diff --git a/components/com_contact/models/rules/contactemail.php b/components/com_contact/models/rules/contactemail.php
index 59049810e76bd..388906361c62d 100644
--- a/components/com_contact/models/rules/contactemail.php
+++ b/components/com_contact/models/rules/contactemail.php
@@ -22,7 +22,7 @@ public function test(& $element, $value, $group = null, & $input = null, & $form
 		$banned = $params->get('banned_email');
 
 		foreach(explode(';', $banned) as $item){
-			if ($item != '' && JString::stristr($item, $value) !== false)
+			if ($item != '' && JString::stristr($value, $item) !== false)
 					return false;
 		}
 
diff --git a/components/com_contact/models/rules/contactemailmessage.php b/components/com_contact/models/rules/contactemailmessage.php
index 2bdf5fe863e9a..7f3d76c3c4b5c 100644
--- a/components/com_contact/models/rules/contactemailmessage.php
+++ b/components/com_contact/models/rules/contactemailmessage.php
@@ -16,7 +16,7 @@ public function test(& $element, $value, $group = null, & $input = null, & $form
 		$banned = $params->get('banned_text');
 
 		foreach(explode(';', $banned) as $item){
-			if ($item != '' && JString::stristr($item, $value) !== false)
+			if ($item != '' && JString::stristr($value, $item) !== false)
 					return false;
 		}
 
diff --git a/components/com_contact/models/rules/contactemailsubject.php b/components/com_contact/models/rules/contactemailsubject.php
index 7abf8ecc6ffef..26e11d2e68448 100644
--- a/components/com_contact/models/rules/contactemailsubject.php
+++ b/components/com_contact/models/rules/contactemailsubject.php
@@ -16,7 +16,7 @@ public function test(& $element, $value, $group = null, & $input = null, & $form
 		$banned = $params->get('banned_subject');
 
 		foreach(explode(';', $banned) as $item){
-			if ($item != '' && JString::stristr($item, $value) !== false)
+			if ($item != '' && JString::stristr($value, $item) !== false)
 					return false;
 		}