diff --git a/dynamic_ui.R b/dynamic_ui.R
index f19f66f..a1e329e 100644
--- a/dynamic_ui.R
+++ b/dynamic_ui.R
@@ -72,7 +72,7 @@ observe({
 })
 
 observe({
-  if (nrow(allData()) == 0) {
+  if (nrow(fOffs()) == 0) {
     output$offspring_opacity <- renderUI({
       NULL
     })