diff --git a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java
index 6776b31b243f..bc28567ddda3 100644
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java
@@ -103,7 +103,7 @@ public class LibrariesModifiableModel implements LibraryTable.ModifiableModel {
       libraryEditor.commit(); // TODO: is seems like commit will recreate the editor, but it should not
       Disposer.dispose(libraryEditor);
     }
-    if (!libraryEditors.isEmpty() || !myRemovedLibraries.isEmpty()) {
+    if (!libraryEditors.isEmpty() || !myRemovedLibraries.isEmpty() || myLibrariesModifiableModel != null && myLibrariesModifiableModel.isChanged()) {
       getLibrariesModifiableModel().commit();
       myLibrariesModifiableModel = null;
     }