diff --git a/CHANGES b/CHANGES
index d6a3d69..2c43e4a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -191,6 +191,9 @@ The following are the changes from calc version 2.14.0.0 to date:
 	; print hm2h(241, -25.5594);
 	0.57401
 
+    Fixed typo in cal/statistics.cal thanks to a report by <GitHub user
+    dennisaldea>.
+
 
 The following are the changes from calc version 2.13.0.1 to 2.13.0.1:
 
diff --git a/cal/statistics.cal b/cal/statistics.cal
index 1278b1f..3db1798 100644
--- a/cal/statistics.cal
+++ b/cal/statistics.cal
@@ -371,7 +371,7 @@ define normalcdf(x,mu,sigma){
 
 define probit(p){
   if(p<0 || p > 1) return newerror("probit: p out of domain 0<=p<=1");
-  return sqrt(2)*ervinv(2*p-1);
+  return sqrt(2)*erfinv(2*p-1);
 }
 
 define normalcdfinv(p,mu,sigma){