diff --git a/src/Dibi/Translator.php b/src/Dibi/Translator.php
index 6fab1315..56a59502 100644
--- a/src/Dibi/Translator.php
+++ b/src/Dibi/Translator.php
@@ -316,7 +316,7 @@ final class Translator
 			if ($value !== null && !is_scalar($value)) {  // array is already processed
 				if ($value instanceof Literal && ($modifier === 'sql' || $modifier === 'SQL')) {
 					$modifier = 'SQL';
-				} elseif (($value instanceof \DateTime || $value instanceof \DateTimeInterface) && ($modifier === 'd' || $modifier === 't')) {
+				} elseif (($value instanceof \DateTime || $value instanceof \DateTimeInterface) && ($modifier === 'd' || $modifier === 't' || $modifier === 'dt')) {
 					// continue
 				} else {
 					$type = is_object($value) ? get_class($value) : gettype($value);