diff --git a/fun.R b/fun.R
index 5ab00b6..b6d2f8a 100644
--- a/fun.R
+++ b/fun.R
@@ -82,7 +82,7 @@ add_science_filter <- function(data){
     }
 
 add_nature_filter <- function(data){
-    data$filter <- as.numeric(grepl("/s", data$url))
+    data$filter <- as.numeric(!grepl("/s", data$url))
     return(data)
     }