diff --git a/README.md b/README.md
index 71dd308..9095c64 100644
--- a/README.md
+++ b/README.md
@@ -87,6 +87,16 @@ if result != nil {
 }
 ```
 
+or 
+
+```go
+func init() {
+  multierror.ListFormatFunc = func([]error) string {
+    return "errors!"
+  }
+}
+```
+
 **Accessing the list of errors**
 
 `multierror.Error` implements `error` so if the caller doesn't know about
diff --git a/format.go b/format.go
index 47f13c4..7b2b699 100644
--- a/format.go
+++ b/format.go
@@ -11,7 +11,7 @@ type ErrorFormatFunc func([]error) string
 
 // ListFormatFunc is a basic formatter that outputs the number of errors
 // that occurred along with a bullet point list of the errors.
-func ListFormatFunc(es []error) string {
+var ListFormatFunc = func(es []error) string {
 	if len(es) == 1 {
 		return fmt.Sprintf("1 error occurred:\n\t* %s\n\n", es[0])
 	}