diff --git a/client/src/components/CalendarGrid.tsx b/client/src/components/CalendarGrid.tsx
index d705b8c..61b7836 100644
--- a/client/src/components/CalendarGrid.tsx
+++ b/client/src/components/CalendarGrid.tsx
@@ -178,6 +178,17 @@ export default function CalendarGrid({
   const getPublicitiesForDate = (date: Date) => {
     const dateStr = format(date, 'yyyy-MM-dd');
     
+    console.log('🔍 CalendarGrid getPublicitiesForDate:', {
+      date: dateStr,
+      totalPublicities: publicities.length,
+      selectedStoreId,
+      userGroups: userGroups.length
+    });
+    
+    if (publicities.length > 0) {
+      console.log('📄 Sample publicity structure:', publicities[0]);
+    }
+    
     return publicities.filter(pub => {
       // Check if the date is within the publicity period
       const pubStart = pub.startDate;
@@ -194,14 +205,22 @@ export default function CalendarGrid({
 
       // If a specific store is selected, check if that store participates
       if (selectedStoreId) {
-        return pub.participatingGroups?.some((pg: any) => pg.groupId === selectedStoreId);
+        const matches = pub.participations?.some((pg: any) => pg.groupId === selectedStoreId);
+        if (matches) {
+          console.log('🎯 Publicity matches selected store:', { pubNumber: pub.pubNumber, selectedStoreId });
+        }
+        return matches;
       }
 
       // If no specific store selected but user has assigned stores, 
       // show publicities where any of user's stores participate
       if (userGroups && userGroups.length > 0) {
         const userGroupIds = userGroups.map((ug: any) => ug.groupId);
-        return pub.participatingGroups?.some((pg: any) => userGroupIds.includes(pg.groupId));
+        const matches = pub.participations?.some((pg: any) => userGroupIds.includes(pg.groupId));
+        if (matches) {
+          console.log('👥 Publicity matches user groups:', { pubNumber: pub.pubNumber, userGroupIds });
+        }
+        return matches;
       }
 
       return true;
@@ -358,7 +377,7 @@ export default function CalendarGrid({
                     <div
                       key={`${pub.id}-${idx}`}
                       className="bg-purple-100 text-purple-800 text-xs px-1.5 py-0.5 rounded-sm border border-purple-200 font-medium shadow-sm cursor-help"
-                      title={`Pub ${pub.pubNumber}: ${pub.designation}${pub.participatingGroups ? ` - Magasins: ${pub.participatingGroups.map((pg: any) => pg.group?.name).join(', ')}` : ''}`}
+                      title={`Pub ${pub.pubNumber}: ${pub.designation}${pub.participations ? ` - Magasins: ${pub.participations.map((pg: any) => pg.group?.name).join(', ')}` : ''}`}
                     >
                       {pub.pubNumber}
                     </div>
diff --git a/server/storage.ts b/server/storage.ts
index c47807c..6af2a79 100644
--- a/server/storage.ts
+++ b/server/storage.ts
@@ -875,6 +875,8 @@ export class DatabaseStorage implements IStorage {
 
   // Publicity operations
   async getPublicities(year?: number, groupIds?: number[]): Promise<PublicityWithRelations[]> {
+    console.log('🔍 getPublicities called with:', { year, groupIds });
+    
     const query = db.select({
       id: publicities.id,
       pubNumber: publicities.pubNumber,
@@ -903,6 +905,7 @@ export class DatabaseStorage implements IStorage {
     }
 
     const results = await query;
+    console.log('📢 Raw publicities found:', results.length);
     
     // Récupérer les participations séparément
     const publicityIds = results.map((pub: any) => pub.id);
@@ -918,9 +921,11 @@ export class DatabaseStorage implements IStorage {
     .from(publicityParticipations)
     .innerJoin(groups, eq(publicityParticipations.groupId, groups.id))
     .where(inArray(publicityParticipations.publicityId, publicityIds)) : [];
+    
+    console.log('🏪 Participations found:', participations.length);
 
     // Associer les participations aux publicités
-    return results.map((pub: any) => ({
+    const finalResult = results.map((pub: any) => ({
       ...pub,
       participations: participations
         .filter((p: any) => p.publicityId === pub.id)
@@ -930,7 +935,18 @@ export class DatabaseStorage implements IStorage {
           group: p.group,
           createdAt: new Date()
         }))
-    })) as PublicityWithRelations[];
+    }));
+    
+    console.log('✅ Final publicities with participations:', finalResult.length);
+    if (finalResult.length > 0) {
+      console.log('📄 Sample publicity:', {
+        id: finalResult[0].id,
+        pubNumber: finalResult[0].pubNumber,
+        participations: finalResult[0].participations.map((p: any) => ({ groupId: p.groupId, groupName: p.group?.name }))
+      });
+    }
+    
+    return finalResult as PublicityWithRelations[];
   }
 
   async getPublicity(id: number): Promise<PublicityWithRelations | undefined> {
@@ -2108,7 +2124,7 @@ class MemStorage implements IStorage {
   async createSavTicketHistory(): Promise<any> { return {}; }
   async updateSavTicketHistory(): Promise<any> { return {}; }
   async deleteSavTicketHistory(): Promise<void> {}
-  async getPublicities(): Promise<any[]> { return []; }
+
   async getPublicity(): Promise<any> { return undefined; }
   async createPublicity(): Promise<any> { return {}; }
   async updatePublicity(): Promise<any> { return {}; }