diff --git a/Doppler.ReportingApi/Infrastructure/CampaignRepository.cs b/Doppler.ReportingApi/Infrastructure/CampaignRepository.cs
index 75c2bde..c59300a 100644
--- a/Doppler.ReportingApi/Infrastructure/CampaignRepository.cs
+++ b/Doppler.ReportingApi/Infrastructure/CampaignRepository.cs
@@ -94,7 +94,7 @@ THEN 1
                             END) [Spam]
                     FROM [dbo].[Subscriber] S WITH (NOLOCK)
                     JOIN [dbo].[Campaign] C WITH (NOLOCK)
-                        ON S.[IdUser] = S.[IdUser] AND S.[IdCampaign] = C.[IdCampaign]
+                        ON S.[IdUser] = C.[IdUser] AND S.[IdCampaign] = C.[IdCampaign]
                     JOIN [dbo].[User] U WITH (NOLOCK)
                         ON S.[IdUser] = U.[IdUser]
                     WHERE