diff --git a/tests/src/core/testqgslayoutlabel.cpp b/tests/src/core/testqgslayoutlabel.cpp
index c057e64608ec..6a398e14e0e2 100644
--- a/tests/src/core/testqgslayoutlabel.cpp
+++ b/tests/src/core/testqgslayoutlabel.cpp
@@ -50,6 +50,7 @@ class TestQgsLayoutLabel : public QObject
     void featureEvaluationUsingContext();
     // test page expressions
     void pageEvaluation();
+    void pageSizeEvaluation();
     void marginMethods(); //tests getting/setting margins
     void render();
     void renderAsHtml();
@@ -235,6 +236,34 @@ void TestQgsLayoutLabel::pageEvaluation()
   }
 }
 
+void TestQgsLayoutLabel::pageSizeEvaluation()
+{
+  QgsLayout l( QgsProject::instance() );
+  l.initializeDefaults();
+
+  QgsLayoutItemLabel *label = new QgsLayoutItemLabel( &l );
+  label->setMargin( 1 );
+  label->setText( QStringLiteral( "[%array_to_string(@layout_pageoffsets)%]" ) );
+  l.addLayoutItem( label );
+
+  {
+    QString evaluated = label->currentText();
+    QString expected = QStringLiteral( "0" );
+    QCOMPARE( evaluated, expected );
+  }
+
+  // add a page and re-evaluate
+  QgsLayoutItemPage *page2 = new QgsLayoutItemPage( &l );
+  page2->setPageSize( "A4", QgsLayoutItemPage::Landscape );
+  l.pageCollection()->addPage( page2 );
+
+  {
+    QString evaluated = label->currentText();
+    QString expected = QStringLiteral( "0,220" );
+    QCOMPARE( evaluated, expected );
+  }
+}
+
 void TestQgsLayoutLabel::marginMethods()
 {
   QgsLayout l( QgsProject::instance() );