diff --git a/lib/internal/Magento/Framework/DB/Ddl/Trigger.php b/lib/internal/Magento/Framework/DB/Ddl/Trigger.php
index d6e7da6291335..83b778a2cfe99 100644
--- a/lib/internal/Magento/Framework/DB/Ddl/Trigger.php
+++ b/lib/internal/Magento/Framework/DB/Ddl/Trigger.php
@@ -187,7 +187,7 @@ public function setTable($name)
                 (string)new \Magento\Framework\Phrase('Trigger table name should be a string')
             );
         }
-        $this->tableName = strtolower($name);
+        $this->tableName = $name;
         return $this;
     }
 
diff --git a/lib/internal/Magento/Framework/DB/Test/Unit/Ddl/TriggerTest.php b/lib/internal/Magento/Framework/DB/Test/Unit/Ddl/TriggerTest.php
index adcf5d7060b1c..152760c7cb151 100644
--- a/lib/internal/Magento/Framework/DB/Test/Unit/Ddl/TriggerTest.php
+++ b/lib/internal/Magento/Framework/DB/Test/Unit/Ddl/TriggerTest.php
@@ -81,6 +81,18 @@ public function testSetTableWithException()
         $this->_object->setTable($tableName);
     }
 
+    /**
+     * Test for table name setter
+     */
+    public function testSetTableName()
+    {
+        $names = ['PREFIX_table', 'prefix_table'];
+        foreach ($names as $name) {
+            $this->_object->setTable($name);
+            $this->assertEquals($name, $this->_object->getTable());
+        }
+    }
+
     /**
      * Test case for getName()
      *