diff --git a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
index dd90f2cb6b3..254841f4967 100644
--- a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
@@ -117,6 +117,14 @@ public function getLocateExpression($str, $substr, $startPos = false)
         return 'POSITION(' . $substr . ' IN ' . $str . ')';
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    public function getConcatExpression()
+    {
+        return sprintf('CONCAT(%s)', implode(', ', func_get_args()));
+    }
+
     /**
      * {@inheritdoc}
      */
diff --git a/tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php b/tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php
index 44c28018849..adbd99c221c 100644
--- a/tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php
+++ b/tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php
@@ -139,7 +139,7 @@ public function testGeneratesSqlSnippets() : void
     {
         self::assertEquals('SIMILAR TO', $this->platform->getRegexpExpression(), 'Regular expression operator is not correct');
         self::assertEquals('"', $this->platform->getIdentifierQuoteCharacter(), 'Identifier quote character is not correct');
-        self::assertEquals('column1 || column2 || column3', $this->platform->getConcatExpression('column1', 'column2', 'column3'), 'Concatenation expression is not correct');
+        self::assertEquals('CONCAT(column1, column2, column3)', $this->platform->getConcatExpression('column1', 'column2', 'column3'), 'Concatenation expression is not correct');
         self::assertEquals('SUBSTRING(column FROM 5)', $this->platform->getSubstringExpression('column', 5), 'Substring expression without length is not correct');
         self::assertEquals('SUBSTRING(column FROM 1 FOR 5)', $this->platform->getSubstringExpression('column', 1, 5), 'Substring expression with length is not correct');
     }