diff --git a/R/ggheatmap.R b/R/ggheatmap.R
index 94b4eee..f67f440 100644
--- a/R/ggheatmap.R
+++ b/R/ggheatmap.R
@@ -3,7 +3,7 @@ ggheatmap<-function(df, x=NULL, y=NULL, value=NULL, grouping="mean"){
   if (is.null(y)){y=colnames(df)[2]}
   if (is.null(value)){value=colnames(df)[3]}
 
-  df<-rename(df, "VarX"=x, "VarY"=y, "Value"=value)
+  df<-rename(df, "VarX"=all_of(x), "VarY"=all_of(y), "Value"=all_of(value))
 
   if (grouping == "mean"){
     df<-df %>% group_by(VarX,VarY) %>% summarise(Value=mean(Value))