diff --git a/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue b/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue
index 6cc85915..9ff3942c 100644
--- a/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue
+++ b/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue
@@ -388,7 +388,7 @@ export default {
         delete this.viewers.kaibu;
       });
       this.setWindowIconUrl(
-        "Kaibu",
+        this.viewers.kaibu.config.id,
         "https://kaibu.org/static/img/kaibu-icon.svg"
       );
       this.viewers.kaibu.set_mode("full");
@@ -402,7 +402,7 @@ export default {
         delete this.viewers.imagej;
       });
       this.setWindowIconUrl(
-        "ImageJ.JS",
+        this.viewers.imagej.config.id,
         "https://ij.imjoy.io/assets/icons/chrome/chrome-installprocess-128-128.png"
       );
       // load the ITK/VTK viewer for imagej.js