diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f12615a..c25f9eb8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 
 ### Fixed
 * [#1618](https://github.com/shlinkio/shlink/issues/1618) Fixed imported short URLs and visits dates not being set to the target server timezone.
+* [#1578](https://github.com/shlinkio/shlink/issues/1578) Fixed short URL allowing an empty string as the domain during creation.
 
 
 ## [3.3.2] - 2022-10-18
diff --git a/module/Core/functions/functions.php b/module/Core/functions/functions.php
index 814aa56a..e7dff2ad 100644
--- a/module/Core/functions/functions.php
+++ b/module/Core/functions/functions.php
@@ -78,6 +78,12 @@ function getOptionalBoolFromInputFilter(InputFilter $inputFilter, string $fieldN
     return $value !== null ? (bool) $value : null;
 }
 
+function getNonEmptyOptionalValueFromInputFilter(InputFilter $inputFilter, string $fieldName): mixed
+{
+    $value = $inputFilter->getValue($fieldName);
+    return empty($value) ? null : $value;
+}
+
 function arrayToString(array $array, int $indentSize = 4): string
 {
     $indent = str_repeat(' ', $indentSize);
diff --git a/module/Core/src/ShortUrl/Model/ShortUrlCreation.php b/module/Core/src/ShortUrl/Model/ShortUrlCreation.php
index 9e37234c..bbdd9ab0 100644
--- a/module/Core/src/ShortUrl/Model/ShortUrlCreation.php
+++ b/module/Core/src/ShortUrl/Model/ShortUrlCreation.php
@@ -10,6 +10,7 @@ use Shlinkio\Shlink\Core\ShortUrl\Helper\TitleResolutionModelInterface;
 use Shlinkio\Shlink\Core\ShortUrl\Model\Validation\ShortUrlInputFilter;
 use Shlinkio\Shlink\Rest\Entity\ApiKey;
 
+use function Shlinkio\Shlink\Core\getNonEmptyOptionalValueFromInputFilter;
 use function Shlinkio\Shlink\Core\getOptionalBoolFromInputFilter;
 use function Shlinkio\Shlink\Core\getOptionalIntFromInputFilter;
 use function Shlinkio\Shlink\Core\normalizeOptionalDate;
@@ -74,7 +75,7 @@ final class ShortUrlCreation implements TitleResolutionModelInterface
         $this->maxVisits = getOptionalIntFromInputFilter($inputFilter, ShortUrlInputFilter::MAX_VISITS);
         $this->findIfExists = $inputFilter->getValue(ShortUrlInputFilter::FIND_IF_EXISTS);
         $this->validateUrl = getOptionalBoolFromInputFilter($inputFilter, ShortUrlInputFilter::VALIDATE_URL) ?? false;
-        $this->domain = $inputFilter->getValue(ShortUrlInputFilter::DOMAIN);
+        $this->domain = getNonEmptyOptionalValueFromInputFilter($inputFilter, ShortUrlInputFilter::DOMAIN);
         $this->shortCodeLength = getOptionalIntFromInputFilter(
             $inputFilter,
             ShortUrlInputFilter::SHORT_CODE_LENGTH,
diff --git a/module/Core/test/ShortUrl/Model/ShortUrlCreationTest.php b/module/Core/test/ShortUrl/Model/ShortUrlCreationTest.php
index 0f9dc419..51457264 100644
--- a/module/Core/test/ShortUrl/Model/ShortUrlCreationTest.php
+++ b/module/Core/test/ShortUrl/Model/ShortUrlCreationTest.php
@@ -146,4 +146,26 @@ class ShortUrlCreationTest extends TestCase
         yield [str_pad('', 600, 'd'), str_pad('', 512, 'd')];
         yield [str_pad('', 800, 'e'), str_pad('', 512, 'e')];
     }
+
+    /**
+     * @test
+     * @dataProvider provideDomains
+     */
+    public function emptyDomainIsDiscarded(?string $domain, ?string $expectedDomain): void
+    {
+        $meta = ShortUrlCreation::fromRawData([
+            'domain' => $domain,
+            'longUrl' => '',
+        ]);
+
+        self::assertSame($expectedDomain, $meta->getDomain());
+    }
+
+    public function provideDomains(): iterable
+    {
+        yield 'null domain' => [null, null];
+        yield 'empty domain' => ['', null];
+        yield 'trimmable domain' => ['   ', null];
+        yield 'valid domain' => ['doma.in', 'doma.in'];
+    }
 }