diff --git a/modules/member/member.model.php b/modules/member/member.model.php
index 5d676682a..48ecad123 100644
--- a/modules/member/member.model.php
+++ b/modules/member/member.model.php
@@ -265,8 +265,19 @@ class memberModel extends member
 		if(!$email_address) return;
 
 		$args = new stdClass();
-		$args->email_address = $email_address;
-		$output = executeQuery('member.getMemberInfoByEmailAddress', $args);
+		
+		$db_info = Context::getDBInfo ();
+		if($db_info->master_db['db_type'] == "cubrid")
+		{
+			$args->email_address = strtolower($email_address);
+			$output = executeQuery('member.getMemberInfoByEmailAddressForCubrid', $args);
+		}
+		else
+		{
+			$args->email_address = $email_address;
+			$output = executeQuery('member.getMemberInfoByEmailAddress', $args);
+		}
+		
 		if(!$output->toBool()) return $output;
 		if(!$output->data) return;
 
diff --git a/modules/member/queries/getMemberInfoByEmailAddress.xml b/modules/member/queries/getMemberInfoByEmailAddress.xml
index e3c440c81..14ab0f645 100644
--- a/modules/member/queries/getMemberInfoByEmailAddress.xml
+++ b/modules/member/queries/getMemberInfoByEmailAddress.xml
@@ -6,6 +6,6 @@
         <column name="*" />
     </columns>
     <conditions>
-        <condition operation="like" column="email_address" var="email_address" notnull="notnull" />
+        <condition operation="equal" column="email_address" var="email_address" notnull="notnull" />
     </conditions>
 </query>
diff --git a/modules/member/queries/getMemberInfoByEmailAddressForCubrid.xml b/modules/member/queries/getMemberInfoByEmailAddressForCubrid.xml
new file mode 100644
index 000000000..0cd753a7a
--- /dev/null
+++ b/modules/member/queries/getMemberInfoByEmailAddressForCubrid.xml
@@ -0,0 +1,11 @@
+<query id="getMemberInfoByEmailAddress" action="select">
+    <tables>
+        <table name="member" />
+    </tables>
+    <columns>
+        <column name="*" />
+    </columns>
+    <conditions>
+        <condition operation="equal" column="lcase(email_address)" var="email_address" notnull="notnull" />
+    </conditions>
+</query>