diff --git a/plugin-designs/doxa-research-map/research-map.vue b/plugin-designs/doxa-research-map/research-map.vue
index 679f97278..42397f703 100644
--- a/plugin-designs/doxa-research-map/research-map.vue
+++ b/plugin-designs/doxa-research-map/research-map.vue
@@ -475,6 +475,9 @@ useShadowStyles(`
   @media(max-width:767px){
     .rm-legend-mobile-slot { display:block; }
     .rm-legend-desktop-slot { display:none; }
+    /* The engine badge stays off phones. The legend sheet there spans the map's bottom edge and
+       covered the end of the badge (it read "MapLibr"), and the map's credit already names the engine. */
+    .rm-provider-badge { display:none; }
   }
   /* Exactly as wide as the control column: button + its 3px edge margin on both sides. */
   .map-scroll-edge { position:absolute;top:0;bottom:0;width:calc(var(--map-btn-size,32px) + 6px);z-index:2;touch-action:pan-y;pointer-events:auto;background:transparent; }