diff --git a/R/SeriesAggreg.OutputsModel.R b/R/SeriesAggreg.OutputsModel.R
index d065182bab683414545511a75f78aa09e6f7c58d..b714aeb185e6f5adf384d75e826624d1d7ae04aa 100644
--- a/R/SeriesAggreg.OutputsModel.R
+++ b/R/SeriesAggreg.OutputsModel.R
@@ -2,6 +2,6 @@ SeriesAggreg.OutputsModel <- function(x, Format, ...) {
   SeriesAggreg.list(x,
                     Format,
                     ConvertFun = NA,
-                    except = c("WarmUpQsim", "StateEnd"),
+                    except = c("WarmUpQsim", "StateEnd", "Param"),
                     ...)
 }