diff --git a/tests/dibi/Result.normalize.phpt b/tests/dibi/Result.normalize.phpt
index 68b87ada..b7521cc1 100644
--- a/tests/dibi/Result.normalize.phpt
+++ b/tests/dibi/Result.normalize.phpt
@@ -139,7 +139,7 @@ test(function () {
 	Assert::same(['col' => 1], $result->test(['col' => TRUE]));
 	Assert::same(['col' => 0], $result->test(['col' => FALSE]));
 
-	Assert::same(['col' => 0], $result->test(['col' => '']));
+	Assert::same(['col' => 0], @$result->test(['col' => ''])); // triggers warning in PHP 7.1
 	Assert::same(['col' => 0], $result->test(['col' => '0']));
 	Assert::same(['col' => 1], $result->test(['col' => '1']));
 	Assert::same(['col' => 10], $result->test(['col' => '10']));
diff --git a/tests/dibi/Translator.phpt b/tests/dibi/Translator.phpt
index 5f760125..746c8895 100644
--- a/tests/dibi/Translator.phpt
+++ b/tests/dibi/Translator.phpt
@@ -522,7 +522,7 @@ Assert::same(
 
 Assert::same(
 	reformat('INSERT INTO 0'),
-	$conn->translate('INSERT INTO %f', 'ahoj')
+	@$conn->translate('INSERT INTO %f', 'ahoj') // triggers warning in PHP 7.1
 );