diff --git a/program/shinyApp/R/heatmap/ui.R b/program/shinyApp/R/heatmap/ui.R
index d549307a..b036cd93 100644
--- a/program/shinyApp/R/heatmap/ui.R
+++ b/program/shinyApp/R/heatmap/ui.R
@@ -132,8 +132,8 @@ heatmap_UI <- function(id){
     id = "heatmap",
     fluid = T,
     h4("Heatmap"),
-    heatmap_sidebar <- heatmap_sidebar(ns),
-    heatmap_main <- heatmap_main(ns) 
+    heatmap_sidebar(ns),
+    heatmap_main(ns)
   )
 }