diff --git a/R/method_stratify-SpatialPixels.R b/R/method_stratify-SpatialPixels.R
index c9c7d2d9924478fa7e755662300b10506826d42e..ac45f7ab8a621252233b6454ebca515e92e6c261 100755
--- a/R/method_stratify-SpatialPixels.R
+++ b/R/method_stratify-SpatialPixels.R
@@ -232,6 +232,7 @@ setMethod(
         colnames(sCentroids) <- colnames(sObject)
         coordinates(sCentroids) <- colnames(sCentroids)
         centroids <- sCentroids
+        centroids@proj4string <- object@proj4string
 
         # create an instance of a subclass of "Stratification"
         if (equalArea) {