diff --git a/examples/al-additive-blend.html b/examples/al-additive-blend.html
index 85c6ff60..f816d3ee 100644
--- a/examples/al-additive-blend.html
+++ b/examples/al-additive-blend.html
@@ -17,11 +17,11 @@ A.init.then(() => {
hscGreenSurvey.setColormap("green", { stretch: "asinh" });
hscGreenSurvey.setCuts(-0.2186, 5.30322);
- const HSCRedSurvey = aladin.createImageSurvey('HSC-r', "HSC red", "CDS/P/HSC/DR2/deep/r", null, null, {imgFormat: 'fits', colormap: "red", minCut: 0.34228, maxCut: 2.75785, additive: true, stretch: "asinh"});
- const HSCBlueSurvey = aladin.createImageSurvey('HSC-b', "HSC blue", "CDS/P/HSC/DR2/deep/z", null, null, {imgFormat: 'fits', colormap: "blue", minCut: -0.01218, maxCut: 2.27397, additive: true, stretch: "asinh"});
+ const HSCRedSurvey = aladin.createImageSurvey('CDS/P/HSC/DR2/deep/r', "HSC red", undefined, null, null, {imgFormat: 'fits', colormap: "red", minCut: 0.34228, maxCut: 2.75785, additive: true, stretch: "asinh"});
+ const HSCBlueSurvey = aladin.createImageSurvey('CDS/P/HSC/DR2/deep/z', "HSC blue", undefined, null, null, {imgFormat: 'fits', colormap: "blue", minCut: -0.01218, maxCut: 2.27397, additive: true, stretch: "asinh"});
- aladin.setOverlayImageLayer('HSC-r', 'hsc red layer');
- aladin.setOverlayImageLayer('HSC-b', 'hsc blue layer');
+ aladin.setOverlayImageLayer('CDS/P/HSC/DR2/deep/r', 'hsc red layer');
+ aladin.setOverlayImageLayer('CDS/P/HSC/DR2/deep/z', 'hsc blue layer');
});