diff --git a/qt/lc_qpreferencesdialog.cpp b/qt/lc_qpreferencesdialog.cpp
index c6052ec4..ffe8ca73 100644
--- a/qt/lc_qpreferencesdialog.cpp
+++ b/qt/lc_qpreferencesdialog.cpp
@@ -79,12 +79,14 @@ lcQPreferencesDialog::lcQPreferencesDialog(QWidget* Parent, lcPreferencesDialogO
 		ui->antiAliasingSamples->setCurrentIndex(0);
 	ui->edgeLines->setChecked(mOptions->Preferences.mDrawEdgeLines);
 
+#ifndef LC_OPENGLES
 	if (QSurfaceFormat::defaultFormat().samples() > 1)
 	{
 		glGetFloatv(GL_SMOOTH_LINE_WIDTH_RANGE, mLineWidthRange);
 		glGetFloatv(GL_SMOOTH_LINE_WIDTH_GRANULARITY, &mLineWidthGranularity);
 	}
 	else
+#endif
 	{
 		glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, mLineWidthRange);
 		mLineWidthGranularity = 1.0f;