diff --git a/src/Tools/DsnParser.php b/src/Tools/DsnParser.php
index 52f5c26af99..9a8fb0fe22e 100644
--- a/src/Tools/DsnParser.php
+++ b/src/Tools/DsnParser.php
@@ -109,7 +109,11 @@ private function parseDatabaseUrlPath(array $url, array $params): array
             return $params;
         }
 
-        $url['path'] = $this->normalizeDatabaseUrlPath($url['path']);
+        if (isset($params['host'])) {
+            // Only normalize the path if a host is also available. Otherwise we might trim leading slashes
+            // from a pure dbname.
+            $url['path'] = $this->normalizeDatabaseUrlPath($url['path']);
+        }
 
         // If we do not have a known DBAL driver, we do not know any connection URL path semantics to evaluate
         // and therefore treat the path as a regular DBAL connection URL path.
@@ -131,6 +135,8 @@ private function parseDatabaseUrlPath(array $url, array $params): array
      */
     private function normalizeDatabaseUrlPath(string $urlPath): string
     {
+        assert($urlPath[0] === '/');
+
         // Trim leading slash from URL path.
         return substr($urlPath, 1);
     }
diff --git a/tests/Tools/DsnParserTest.php b/tests/Tools/DsnParserTest.php
index 98da8c566fa..d76c84c1fa2 100644
--- a/tests/Tools/DsnParserTest.php
+++ b/tests/Tools/DsnParserTest.php
@@ -172,6 +172,14 @@ public static function databaseUrls(): iterable
                     'dbname'   => 'baz',
                 ],
             ],
+            'quoted URL' => [
+                '"sqlite:////tmp/dbname.sqlite"',
+                ['dbname' => '"sqlite:////tmp/dbname.sqlite"'],
+            ],
+            'absolute path' => [
+                '/tmp/dbname.sqlite',
+                ['dbname' => '/tmp/dbname.sqlite'],
+            ],
         ];
     }