diff --git a/wrap/gl/splatting_apss/splatrenderer.h b/wrap/gl/splatting_apss/splatrenderer.h
index f70eba57..4a8d78a6 100644
--- a/wrap/gl/splatting_apss/splatrenderer.h
+++ b/wrap/gl/splatting_apss/splatrenderer.h
@@ -163,7 +163,7 @@ QString SplatRenderer<MeshType>::loadSource(const QString& func,const QString& f
 	QFile f(":/SplatRenderer/shaders/" + filename);
 	if (!f.open(QFile::ReadOnly))
 	{
-		std::cerr << "failed to load shader file " << filename.toAscii().data() << "\n";
+		std::cerr << "failed to load shader file " << filename.toUtf8().data() << "\n";
 		return res;
 	}
 	else qDebug("Succesfully loaded shader func '%s' in file '%s'",qPrintable(func),qPrintable(filename));
@@ -207,8 +207,8 @@ void SplatRenderer<MeshType>::configureShaders()
 	{
 		QString vsrc = shading + defines + mShaderSrcs[k*2+0];
 		QString fsrc = shading + defines + mShaderSrcs[k*2+1];
-		mShaders[k].SetSources(mShaderSrcs[k*2+0]!="" ? vsrc.toAscii().data() : 0,
-													 mShaderSrcs[k*2+1]!="" ? fsrc.toAscii().data() : 0);
+		mShaders[k].SetSources(mShaderSrcs[k*2+0]!="" ? vsrc.toUtf8().data() : 0,
+													 mShaderSrcs[k*2+1]!="" ? fsrc.toUtf8().data() : 0);
 		mShaders[k].prog.Link();
 		if (mShaderSrcs[k*2+0]!="")
 		{