diff --git a/contrib/brushexport/callbacks.cpp b/contrib/brushexport/callbacks.cpp
index fe89e9e4..310c5981 100644
--- a/contrib/brushexport/callbacks.cpp
+++ b/contrib/brushexport/callbacks.cpp
@@ -12,7 +12,6 @@
 // stuff from interface.cpp
 void DestroyWindow();
 
-//! TODO ignore: make case insensitive
 //! TODO hide window on close
 namespace callbacks {
 
@@ -45,7 +44,10 @@ void OnExportClicked( GtkButton* button, gpointer choose_path ){
 	}
 
 	// get ignore list from ui
-	std::set<std::string> ignore;
+	StringSetWithLambda ignore
+		( []( const std::string& lhs, const std::string& rhs )->bool{
+			return string_less_nocase( lhs.c_str(), rhs.c_str() );
+		} );
 
 	GtkTreeView* view = GTK_TREE_VIEW( lookup_widget( GTK_WIDGET( button ), "t_materialist" ) );
 	GtkListStore* list = GTK_LIST_STORE( gtk_tree_view_get_model( view ) );
diff --git a/contrib/brushexport/export.cpp b/contrib/brushexport/export.cpp
index bde757cd..a9d2bfcd 100644
--- a/contrib/brushexport/export.cpp
+++ b/contrib/brushexport/export.cpp
@@ -22,7 +22,7 @@
 class ExportData
 {
 public:
-ExportData( const std::set<std::string>& ignorelist, collapsemode mode );
+ExportData( const StringSetWithLambda& ignorelist, collapsemode mode );
 virtual ~ExportData( void );
 
 virtual void BeginBrush( Brush& b );
@@ -50,10 +50,10 @@ void GetShaderNameFromShaderPath( const char* path, std::string& name );
 
 group* current;
 const collapsemode mode;
-const std::set<std::string>& ignorelist;
+const StringSetWithLambda& ignorelist;
 };
 
-ExportData::ExportData( const std::set<std::string>& _ignorelist, collapsemode _mode )
+ExportData::ExportData( const StringSetWithLambda& _ignorelist, collapsemode _mode )
 	:   mode( _mode ),
 	ignorelist( _ignorelist ){
 	current = 0;
@@ -160,7 +160,7 @@ const bool objs;
 const bool weld;
 
 public:
-ExportDataAsWavefront( const std::set<std::string>& _ignorelist, collapsemode _mode, bool _expmat, bool _limNames, bool _objs, bool _weld )
+ExportDataAsWavefront( const StringSetWithLambda& _ignorelist, collapsemode _mode, bool _expmat, bool _limNames, bool _objs, bool _weld )
 	: ExportData( _ignorelist, _mode ),
 	expmat( _expmat ),
 	limNames( _limNames ),
@@ -372,7 +372,7 @@ private:
 ExportData& exporter;
 };
 
-bool ExportSelection( const std::set<std::string>& ignorelist, collapsemode m, bool exmat, const std::string& path, bool limNames, bool objs, bool weld ){
+bool ExportSelection( const StringSetWithLambda& ignorelist, collapsemode m, bool exmat, const std::string& path, bool limNames, bool objs, bool weld ){
 	ExportDataAsWavefront exporter( ignorelist, m, exmat, limNames, objs, weld );
 
 	if( GlobalSelectionSystem().countSelected() == 0 ){
diff --git a/contrib/brushexport/export.h b/contrib/brushexport/export.h
index ee5d9e21..d2fd5310 100644
--- a/contrib/brushexport/export.h
+++ b/contrib/brushexport/export.h
@@ -10,6 +10,8 @@ enum collapsemode
 	COLLAPSE_NONE
 };
 
-bool ExportSelection( const std::set<std::string>& ignorelist, collapsemode m, bool exmat, const std::string& path, bool limitMatNames, bool objects, bool weld );
+typedef std::set<std::string, bool (*)( const std::string&, const std::string& )> StringSetWithLambda;
+
+bool ExportSelection( const StringSetWithLambda& ignorelist, collapsemode m, bool exmat, const std::string& path, bool limitMatNames, bool objects, bool weld );
 
 #endif