diff --git a/backend/server/server.go b/backend/server/server.go
index c446504..b6e1cb2 100644
--- a/backend/server/server.go
+++ b/backend/server/server.go
@@ -114,8 +114,9 @@ func usageStatsHandler(w http.ResponseWriter, r *http.Request) {
 		if err != nil {
 			panic(err)
 		}
-		versions = strings.ReplaceAll(versions, "Unknown", "")
-		tbl.AddRow(registrationDate.Format("2006-01-02"), numDevices, numEntries, numQueries, lastUsedDate.Format("2006-01-02"), lastQueried.Format("2006-01-02"), versions, ipAddresses)
+		versions = strings.ReplaceAll(strings.ReplaceAll(versions, "Unknown", ""), ", ", "")
+		lastQueryStr := strings.ReplaceAll(lastQueried.Format("2006-01-02"), "1970-01-01", "")
+		tbl.AddRow(registrationDate.Format("2006-01-02"), numDevices, numEntries, numQueries, lastUsedDate.Format("2006-01-02"), lastQueryStr, versions, ipAddresses)
 	}
 	tbl.Print()
 }