diff --git a/R/MergeRefToExp.R b/R/MergeRefToExp.R
index 365ceb51178df6135dce1ea09956d7b4f1a0f1d8..155dee36106cfbcf7381dd92257eb391fa5dbeab 100644
--- a/R/MergeRefToExp.R
+++ b/R/MergeRefToExp.R
@@ -171,7 +171,7 @@ MergeRefToExp <- function(data1, dates1, start1, end1, data2, dates2, start2, en
     if (length(dif_dims) > 0) {
       for (i in dif_dims) {
         data1 <- s2dv::InsertDim(data1, posdim = i, lendim = dim(data2)[i], 
-                               name = names(dim(data2))[i], ncores = ncores)
+                               name = names(dim(data2))[i])
       }
     }
   }
@@ -181,7 +181,7 @@ MergeRefToExp <- function(data1, dates1, start1, end1, data2, dates2, start2, en
     if (length(dif_dims) > 0) {
       for (i in dif_dims) {
         data2 <- s2dv::InsertDim(data2, posdim = i, lendim = dim(data1)[i],
-                               name = names(dim(data1))[i], ncores = ncores)
+                               name = names(dim(data1))[i])
       }
     }
   }