diff --git a/R/ggcorrplot.R b/R/ggcorrplot.R
index c71e5e6..27364fb 100644
--- a/R/ggcorrplot.R
+++ b/R/ggcorrplot.R
@@ -10,14 +10,14 @@ ggcorrplot<-function(df, var, color="#FFFFFF00", stat="signif", tri="all"){
 
   df<-mcor %>% as.data.frame()
   if (tri == "lower"){
-    df[lower.tri(df, diag=F)]<-NA
+    df[lower.tri(df, diag=T)]<-NA
   }
   df<-df %>% add_column(Var1=rownames(mcor),.before=1) %>%
     gather(Var2, Value, -Var1) %>% filter(!is.na(Value))
 
   df.pval<-mpval %>% as.data.frame()
   if (tri == "lower"){
-    df.pval[lower.tri(df.pval, diag=F)]<-NA
+    df.pval[lower.tri(df.pval, diag=T)]<-NA
   }
   df.pval<-df.pval %>% add_column(Var1=rownames(mpval),.before=1) %>%
     gather(Var2, Value, -Var1) %>% filter(!is.na(Value))