diff --git a/nerve/report.go b/nerve/report.go
index <HASH>..<HASH> 100644
--- a/nerve/report.go
+++ b/nerve/report.go
@@ -86,8 +86,11 @@ func toReport(status error, s *Service) Report {
 
 func (r *Report) String() string {
 	var buffer bytes.Buffer
-
-	buffer.WriteString(fmt.Sprint(r.Available))
+	if r.Available == nil {
+		buffer.WriteString(fmt.Sprint(true))
+	} else {
+		buffer.WriteString(fmt.Sprint(*r.Available))
+	}
 	buffer.WriteString(" ")
 	buffer.WriteString(r.Name)
 	buffer.WriteString(" ")
Check available nil pointer in String