diff --git a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/wizard/BiologicalSampleCreatingPage.java b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/wizard/BiologicalSampleCreatingPage.java
index c8b9dc2647ba9fc37e4019e8088bffce3fe83cf2..b468eb7b24325fe2d533fb854179ae393cfb961b 100644
--- a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/wizard/BiologicalSampleCreatingPage.java
+++ b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/wizard/BiologicalSampleCreatingPage.java
@@ -106,7 +106,7 @@ public class BiologicalSampleCreatingPage extends WizardPage<MsInjectionSampleAn
                     }
                 });
         formPanel.add(sampleTypeSelectionWidget);
-        addToRightContent(formPanel, new RowData(1, 500, new Margins(10)));
+        addToRightContent(formPanel, new RowData(1, 600, new Margins(10)));
     }
 
     protected void onSampleTypeChanged(SampleType type)