diff --git a/R/bio/cummerutils.R b/R/bio/cummerutils.R
index 32e18f208bf7d914d5d5b472316f1f1fb89616cc..dcba7739a5f01a6d65cb7529d2942c3bf8efa0de 100644
--- a/R/bio/cummerutils.R
+++ b/R/bio/cummerutils.R
@@ -1,14 +1,14 @@
 
-
 require.auto(cummeRbund)
 
 
+
 getExpressedGenes <- function(cuff, minFPKM=1, logMode=F){
-    fpkmMat<-repFpkmMatrix(genes(cuff))
+    fpkmMat<-repFpkmMatrix(genes(mmusCuff))
 
     if(logMode) fpkmMat<-log10(fpkmMat+1) ## add a pseudocount
 
     geneMax <- apply(fpkmMat, 1, max)
 
-    fpkmMat[geneMax>minFPKM,]$gene_id
+    rownames(fpkmMat[geneMax>minFPKM,])
 }