diff --git a/src/lib/Server/Input/Parser/Criterion/DateMetadata.php b/src/lib/Server/Input/Parser/Criterion/DateMetadata.php
index c44d3a11..d8398a5b 100644
--- a/src/lib/Server/Input/Parser/Criterion/DateMetadata.php
+++ b/src/lib/Server/Input/Parser/Criterion/DateMetadata.php
@@ -37,7 +37,7 @@ class DateMetadata extends BaseParser
     public function parse(array $data, ParsingDispatcher $parsingDispatcher): DateMetadataCriterion
     {
         if (!isset($data['DateMetadataCriterion'])) {
-            throw new Exceptions\Parser('Invalid <DateMetaDataCriterion> format');
+            throw new Exceptions\Parser('Invalid <DateMetadataCriterion> format');
         }
 
         $dateMetadata = $data['DateMetadataCriterion'];
@@ -56,6 +56,14 @@ public function parse(array $data, ParsingDispatcher $parsingDispatcher): DateMe
             throw new Exceptions\Parser('Invalid <Value> format');
         }
 
+        if (
+            is_string($dateMetadata['Value'])
+            && is_numeric($dateMetadata['Value'])
+            && ((int)$dateMetadata['Value'] == $dateMetadata['Value'])
+        ) {
+            $dateMetadata['Value'] = (int)$dateMetadata['Value'];
+        }
+
         if (!in_array(gettype($dateMetadata['Value']), ['integer', 'array'], true)) {
             throw new Exceptions\Parser('Invalid <Value> format');
         }
diff --git a/tests/lib/Server/Input/Parser/Criterion/DateMetadataTest.php b/tests/lib/Server/Input/Parser/Criterion/DateMetadataTest.php
index 2b77db0c..9f3cf367 100644
--- a/tests/lib/Server/Input/Parser/Criterion/DateMetadataTest.php
+++ b/tests/lib/Server/Input/Parser/Criterion/DateMetadataTest.php
@@ -33,6 +33,10 @@ public function testParseProvider(): iterable
                 ['DateMetadataCriterion' => ['Target' => 'created', 'Value' => 14, 'Operator' => 'EQ']],
                 new DateMetadataCriterion('created', Operator::EQ, 14),
             ],
+            [
+                ['DateMetadataCriterion' => ['Target' => 'created', 'Value' => '14', 'Operator' => 'EQ']],
+                new DateMetadataCriterion('created', Operator::EQ, 14),
+            ],
             [
                 ['DateMetadataCriterion' => ['Target' => 'created', 'Value' => 1620739489, 'Operator' => 'LT']],
                 new DateMetadataCriterion('created', Operator::LT, 1620739489),
@@ -68,7 +72,7 @@ public function testParse(array $data, DateMetadataCriterion $expected): void
 
     public function testParseExceptionOnInvalidCriterionFormat(): void
     {
-        $this->expectExceptionMessage('Invalid <DateMetaDataCriterion> format');
+        $this->expectExceptionMessage('Invalid <DateMetadataCriterion> format');
         $this->expectException(Exceptions\Parser::class);
         $inputArray = [
             'foo' => 'Michael learns to mock',