diff --git a/src/Forms/Controls/DateTimeControl.php b/src/Forms/Controls/DateTimeControl.php
index 1881a877..ee9f0664 100644
--- a/src/Forms/Controls/DateTimeControl.php
+++ b/src/Forms/Controls/DateTimeControl.php
@@ -129,7 +129,7 @@ public function formatHtmlValue(\DateTimeInterface|string|int $value): string
 		return $this->normalizeValue($value)->format(match ($this->type) {
 			self::TypeDate => 'Y-m-d',
 			self::TypeTime => $this->withSeconds ? 'H:i:s' : 'H:i',
-			self::TypeDateTime => $this->withSeconds ? 'Y-m-d\\TH:i:s' : 'Y-m-d\\TH:i',
+			self::TypeDateTime => $this->withSeconds ? 'Y-m-d\TH:i:s' : 'Y-m-d\TH:i',
 		});
 	}
 
diff --git a/tests/Forms/Controls.UploadControl.loadData.phpt b/tests/Forms/Controls.UploadControl.loadData.phpt
index b43a5d71..78a132aa 100644
--- a/tests/Forms/Controls.UploadControl.loadData.phpt
+++ b/tests/Forms/Controls.UploadControl.loadData.phpt
@@ -29,7 +29,7 @@ $_FILES = [
 	'container' => [
 		'name' => ['avatar' => "invalid\xAA\xAA\xAAutf"],
 		'type' => ['avatar' => 'text/plain'],
-		'tmp_name' => ['avatar' => 'C:\\PHP\\temp\\php1D5C.tmp'],
+		'tmp_name' => ['avatar' => 'C:\PHP\temp\php1D5C.tmp'],
 		'error' => ['avatar' => 0],
 		'size' => ['avatar' => 3013],
 	],
@@ -91,7 +91,7 @@ test('container', function () {
 		'name' => '',
 		'type' => '',
 		'size' => 3013,
-		'tmp_name' => 'C:\\PHP\\temp\\php1D5C.tmp',
+		'tmp_name' => 'C:\PHP\temp\php1D5C.tmp',
 		'error' => 0,
 	]), $input->getValue());
 	Assert::true($input->isFilled());
diff --git a/tests/Forms/Helpers.exportRules.phpt b/tests/Forms/Helpers.exportRules.phpt
index b7f927a2..62d58c50 100644
--- a/tests/Forms/Helpers.exportRules.phpt
+++ b/tests/Forms/Helpers.exportRules.phpt
@@ -101,6 +101,6 @@ test('addFilter', function () {
 	$input->setRequired(false);
 	$input->addRule(Form::Email);
 	Assert::same([
-		['op' => ':pattern', 'msg' => 'match pattern', 'arg' => '\\d+'],
+		['op' => ':pattern', 'msg' => 'match pattern', 'arg' => '\d+'],
 	], Helpers::exportRules($input->getRules()));
 });