diff --git a/src/modules/partition/core/PartitionModel.cpp b/src/modules/partition/core/PartitionModel.cpp
index fe7479b05..ede5116e6 100644
--- a/src/modules/partition/core/PartitionModel.cpp
+++ b/src/modules/partition/core/PartitionModel.cpp
@@ -100,6 +100,8 @@ PartitionModel::parent( const QModelIndex& child ) const
     if ( !child.isValid() )
         return QModelIndex();
     Partition* partition = partitionForIndex( child );
+    if ( !partition )
+        return QModelIndex();
     PartitionNode* parentNode = partition->parent();
     if ( parentNode == m_device->partitionTable() )
         return QModelIndex();