diff --git a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ClasspathPanel.java b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ClasspathPanel.java
index 60341f0b1df2..1ccc733676aa 100644
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ClasspathPanel.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ClasspathPanel.java
@@ -896,7 +896,7 @@ public class ClasspathPanel extends JPanel {
       if (columnIndex == EXPORT_COLUMN) {
         item.setExported(((Boolean)aValue).booleanValue());
       }
-      else if (columnIndex == SCOPE_COLUMN) {
+      else if (columnIndex == SCOPE_COLUMN && aValue instanceof DependencyScope) {
         item.setScope((DependencyScope) aValue);
       }
     }