diff --git a/R/pathwayCommons.R b/R/pathwayCommons.R
index eb1448e..4c086e3 100644
--- a/R/pathwayCommons.R
+++ b/R/pathwayCommons.R
@@ -107,9 +107,8 @@ read.gmt.pc <- function(gmtfile, output = "data.frame") {
   organism <- unique(x$organism)
   gson(gsid2gene = gsid2gene, 
       gsid2name = gsid2name, 
-      gsname = "Pathway Commons",
-      datasource = datasource, 
-      organism = organism)
+      gsname = "Pathway Commons", 
+      organism = " Homo sapiens")
 }
 
 get_pc_data <- function(source, output = "data.frame") {