diff --git a/AccessQueueService/Data/TakeANumberAccessQueueRepo.cs b/AccessQueueService/Data/TakeANumberAccessQueueRepo.cs
index 79bee13..28c2a0e 100644
--- a/AccessQueueService/Data/TakeANumberAccessQueueRepo.cs
+++ b/AccessQueueService/Data/TakeANumberAccessQueueRepo.cs
@@ -57,6 +57,10 @@ namespace AccessQueueService.Data
             var activeCutoff = now.AddSeconds(-activeSeconds);
             var numberOfActiveUsers = _accessTickets.Count(t => t.Value.ExpiresOn > now && t.Value.LastActive > activeCutoff);
             var openSpots = capacityLimit - numberOfActiveUsers;
+            if(openSpots <= 0)
+            {
+                return true;
+            }
             int filledSpots = 0;
             while (filledSpots < openSpots && _nowServing < _nextUnusedTicket)
             {
diff --git a/AccessQueueService/Services/AccessService.cs b/AccessQueueService/Services/AccessService.cs
index 7b5b4e8..7b23055 100644
--- a/AccessQueueService/Services/AccessService.cs
+++ b/AccessQueueService/Services/AccessService.cs
@@ -36,6 +36,7 @@ namespace AccessQueueService.Services
                 var existingTicket = _accessQueueRepo.GetTicket(userId);
                 if (existingTicket != null && existingTicket.ExpiresOn > DateTime.UtcNow)
                 {
+                    // Already has access
                     var expiresOn = existingTicket.ExpiresOn;
                     if (ROLLING_EXPIRATION)
                     {
@@ -54,6 +55,7 @@ namespace AccessQueueService.Services
                 }
                 if (hasCapacity)
                 {
+                    // Doesn't have access, but there's space available
                     var accessTicket = new AccessTicket
                     {
                         UserId = userId,
@@ -68,6 +70,7 @@ namespace AccessQueueService.Services
                 }
                 else
                 {
+                    // No access and no space, add to queue
                     var requestsAhead = _accessQueueRepo.GetRequestsAhead(userId);
                     if (requestsAhead == -1)
                     {