diff --git a/src/flow/flow.service.ts b/src/flow/flow.service.ts
index d1034df..5886a5f 100644
--- a/src/flow/flow.service.ts
+++ b/src/flow/flow.service.ts
@@ -667,7 +667,7 @@ export class FlowService {
     // console.log('total:', total);
 
     if (total === 0) {
-      return allVotes.length / combinations(allProjects.length, 2);
+      return 0;
     }
 
     return effectiveVotes.length / total;
@@ -918,6 +918,11 @@ export class FlowService {
       ),
     );
 
+    if (pairs.length === 0 && collection) {
+      // Finishing the collection automatically
+      await this.finishCollection(userId, collection.id);
+    }
+
     return {
       pairs,
       totalPairs: combinations.length,