diff --git a/src/components/ui/GlobeMap.tsx b/src/components/ui/GlobeMap.tsx
index 023d873..e049124 100644
--- a/src/components/ui/GlobeMap.tsx
+++ b/src/components/ui/GlobeMap.tsx
@@ -90,7 +90,7 @@ export const GlobeMap = ({ data }: GlobeMapProps) => {
             // Force the line to go straight across the map (the "front")
             // by interpolating multiple points. This prevents d3-geo from
             // wrapping around the dateline for long distances.
-            const coordinates = [];
+            const coordinates: [number, number][] = [];
             const steps = 30;
             for (let j = 0; j <= steps; j++) {
               const t = j / steps;