diff --git a/common/widgets/lib_tree.cpp b/common/widgets/lib_tree.cpp
index 11c245b603..80f64eb1eb 100644
--- a/common/widgets/lib_tree.cpp
+++ b/common/widgets/lib_tree.cpp
@@ -731,9 +731,7 @@ void LIB_TREE::hidePreview()
     m_previewItem = wxDataViewItem();
 
     if( m_previewWindow )
-    {
         m_previewWindow->Hide();
-    }
 }
 
 
diff --git a/pcbnew/fp_tree_synchronizing_adapter.cpp b/pcbnew/fp_tree_synchronizing_adapter.cpp
index aff00b5f4d..8d03a4da7f 100644
--- a/pcbnew/fp_tree_synchronizing_adapter.cpp
+++ b/pcbnew/fp_tree_synchronizing_adapter.cpp
@@ -330,8 +330,8 @@ void FP_TREE_SYNCHRONIZING_ADAPTER::ShowPreview( wxWindow* aParent, const wxData
     LIB_TREE_NODE* node = ToNode( aItem );
     wxCHECK( node, /* void */ );
 
-    FOOTPRINT_PREVIEW_PANEL* preview = dynamic_cast<FOOTPRINT_PREVIEW_PANEL*>(
-            wxWindow::FindWindowByName( c_previewName, aParent ) );
+    wxWindow* previewWindow = wxWindow::FindWindowByName( c_previewName, aParent );
+    FOOTPRINT_PREVIEW_PANEL* preview = dynamic_cast<FOOTPRINT_PREVIEW_PANEL*>( previewWindow );
 
     if( !preview )
     {