diff --git a/nglib/nglib.cpp b/nglib/nglib.cpp
index a8be7017..7c3f215c 100644
--- a/nglib/nglib.cpp
+++ b/nglib/nglib.cpp
@@ -1228,7 +1228,7 @@ namespace netgen
 
 
 void Ng_Redraw () { ; }
-void Ng_ClearSolutionData();// {; }
+void Ng_ClearSolutionData() { ; }
 /*
 void Ng_SetSolutionData (Ng_SolutionData * soldata) 
 { 
@@ -1256,4 +1256,4 @@ BOOST_PYTHON_MODULE(nglib) {
 	ExportGeom2d();
 }
 #endif
-#endif
\ No newline at end of file
+#endif