diff --git a/R/biomod2_classes_5.R b/R/biomod2_classes_5.R
index 69327f56..bfee74fb 100644
--- a/R/biomod2_classes_5.R
+++ b/R/biomod2_classes_5.R
@@ -691,10 +691,11 @@ setMethod('predict2', signature(object = 'EMwmean_biomod2_model', newdata = "dat
             if (ncol(newdata) < 1) {
               stop("Model EMwmean was not computed because no single model was kept in ensemble modeling")
             }
-            predfun <- function(newdata, on_0_1000, penalization_scores, ...){
-              out <- as.vector(
-                as.matrix(newdata) %*% penalization_scores
-              )
+            predfun <- function(newdata, on_0_1000, penalization_scores, na.rm, ...){
+              # out <- as.vector(
+              #   as.matrix(newdata) %*% penalization_scores
+              # )
+              out <- as.vector(rowSums(t(apply(as.matrix(newdata), 1, function(x) penalization_scores*x)), na.rm = na.rm))
               if (on_0_1000) { 
                 out <- round(out) 
               }