diff --git a/src/map-engine/MarkerManager.ts b/src/map-engine/MarkerManager.ts
index 972f646..f4f0ba7 100644
--- a/src/map-engine/MarkerManager.ts
+++ b/src/map-engine/MarkerManager.ts
@@ -328,6 +328,8 @@ export class MarkerManager {
                 iconOptions.iconAnchor = CIRCLE_DOT_ICON_ANCHOR;
                 iconOptions.iconSize = CIRCLE_DOT_ICON_SIZE;
                 iconOptions.borderWith = CIRCLE_DOT_BORDER_WIDTH;
+            } else if ( iconOptions.iconShape === 'circle' ) {
+                iconOptions.popupAnchor = [ 0, -8 ];
             }
         } else if ( pointType === 'TRACK' ) {
             const trackMarker = spotmapjsobj.marker.TRACK;
diff --git a/src/map-engine/globals.d.ts b/src/map-engine/globals.d.ts
index 1d3c83d..4a8d3b4 100644
--- a/src/map-engine/globals.d.ts
+++ b/src/map-engine/globals.d.ts
@@ -25,6 +25,7 @@ declare global {
             iconAnchor?: [ number, number ];
             iconSize?: [ number, number ];
             borderWith?: number; // note: typo in upstream lib ("borderWith" not "borderWidth")
+            popupAnchor?: [ number, number ];
             className?: string;
             customClasses?: string;
         }