diff --git a/src/services/DataService.ts b/src/services/DataService.ts
index aad0a4b..6f0b190 100644
--- a/src/services/DataService.ts
+++ b/src/services/DataService.ts
@@ -48,7 +48,7 @@ async function fetchLiveTransactions(periodDays: number): Promise<{
   // Seules les transactions avec un profil géo entrent dans le heatmap
   const geolocated: Transaction[] = [];
   for (const t of rawTransfers) {
-    const geo = geoMap.get(t.fromName);
+    const geo = geoMap.get(t.fromName.toLowerCase());
     if (!geo) continue; // pas de profil → exclu du heatmap
 
     geolocated.push({
diff --git a/src/services/adapters/CesiumAdapter.ts b/src/services/adapters/CesiumAdapter.ts
index 28d6986..03c362c 100644
--- a/src/services/adapters/CesiumAdapter.ts
+++ b/src/services/adapters/CesiumAdapter.ts
@@ -27,8 +27,8 @@ const HitSchema = z.object({
     title:    z.string().optional(),
     city:     z.string().optional(),
     geoPoint: z.object({
-      lat: z.number().min(-90).max(90),
-      lon: z.number().min(-180).max(180),
+      lat: z.coerce.number().min(-90).max(90),
+      lon: z.coerce.number().min(-180).max(180),
     }).optional(),
   }),
 });
@@ -58,8 +58,8 @@ export async function resolveGeoByNames(
     query: {
       bool: {
         must: [
-          // Champ "title" analysé (lowercase tokens) — title.keyword retourne 0 résultats
-          { terms: { title: unique } },
+          // Champ "title" analysé (lowercase tokens) — doit envoyer en minuscules
+          { terms: { title: unique.map((n) => n.toLowerCase()) } },
         ],
         filter: [
           { exists: { field: 'geoPoint' } },
@@ -86,7 +86,7 @@ export async function resolveGeoByNames(
   for (const hit of parsed.hits.hits) {
     const src = hit._source;
     if (src.geoPoint && src.title) {
-      result.set(src.title, {
+      result.set(src.title.toLowerCase(), {
         name: src.title,
         city: src.city ?? 'Inconnue',
         lat:  src.geoPoint.lat,