diff --git a/src/time_series_storage/postgres.clj b/src/time_series_storage/postgres.clj
index 0db7963..99aa978 100644
--- a/src/time_series_storage/postgres.clj
+++ b/src/time_series_storage/postgres.clj
@@ -62,15 +62,15 @@
       (throw (Exception. (format "Fact %s is not defined" id))))
     )
 
-  (inc! [service id categories]
+  (inc! [service fact-id categories]
     (api/inc! service
-              id
+              fact-id
               (java.util.Date.)
               categories))
 
-  (inc! [service id timestamp categories]
+  (inc! [service fact-id timestamp categories]
     (u/new-fact config
-                id
+                fact-id
                 (tcoerce/from-date timestamp)
                 1
                 categories))