diff --git a/src/Dibi/Translator.php b/src/Dibi/Translator.php
index e5ea23f8..44ae1660 100644
--- a/src/Dibi/Translator.php
+++ b/src/Dibi/Translator.php
@@ -333,7 +333,7 @@ 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 || $value instanceof \DateTimeInterface) {
+				} elseif (($value instanceof \DateTime || $value instanceof \DateTimeInterface) && ($modifier === 'd' || $modifier === 't')) {
 					// continue
 				} else {
 					$type = is_object($value) ? get_class($value) : gettype($value);
diff --git a/tests/dibi/Translator.phpt b/tests/dibi/Translator.phpt
index 97c98ff4..503cfa06 100644
--- a/tests/dibi/Translator.phpt
+++ b/tests/dibi/Translator.phpt
@@ -190,6 +190,11 @@ Assert::same(
 	'b9%t' => NULL,
 ]));
 
+Assert::exception(function () use ($conn) {
+	$conn->translate('SELECT %s', new DateTime('1212-09-26'));
+}, 'Dibi\Exception', 'SQL translate error: Invalid combination of type Dibi\DateTime and modifier %s');
+
+
 
 
 // like