diff --git a/api/src/repositories/characters.ts b/api/src/repositories/characters.ts
index 2663be7e..82dbf705 100644
--- a/api/src/repositories/characters.ts
+++ b/api/src/repositories/characters.ts
@@ -477,7 +477,7 @@ export async function listCharacterRanking(options?: {
         c.level,
         c.exp,
         c.exp_next_level,
-        (c.ciudadanos_matados + c.criminales_matados) AS count_killed,
+        (COALESCE(c.ciudadanos_matados, 0) + COALESCE(c.criminales_matados, 0)) AS count_killed,
         c.id_clase,
         c.id_raza,
         COALESCE(c.criminal, FALSE) AS criminal,
diff --git a/api/src/server.ts b/api/src/server.ts
index d6f97469..bcea74f6 100644
--- a/api/src/server.ts
+++ b/api/src/server.ts
@@ -353,6 +353,7 @@ app.get("/ranking", async (request, response) => {
         const result = await listCharacterRanking({ sort, classId });
         response.json(result);
     } catch (error) {
+        console.error("Error in GET /ranking handler:", error);
         response.status(500).json({
             error: error instanceof Error ? error.message : "Unexpected error",
         });