diff --git a/.psalm/baseline.xml b/.psalm/baseline.xml
index 2cc4537..b4ae0f6 100644
--- a/.psalm/baseline.xml
+++ b/.psalm/baseline.xml
@@ -4,8 +4,5 @@
     <ConflictingReferenceConstraint>
       <code><![CDATA[if (is_object($value)) {]]></code>
     </ConflictingReferenceConstraint>
-    <InvalidArgument>
-      <code><![CDATA[$value]]></code>
-    </InvalidArgument>
   </file>
 </files>
diff --git a/src/Exporter.php b/src/Exporter.php
index 5cec445..c38ed1f 100644
--- a/src/Exporter.php
+++ b/src/Exporter.php
@@ -226,7 +226,7 @@ final class Exporter
         if (is_resource($value)) {
             return sprintf(
                 'resource(%d) of type (%s)',
-                $value,
+                (int) $value,
                 get_resource_type($value),
             );
         }