diff --git a/cmd/dumps/main.go b/cmd/dumps/main.go
index c101688..d3564c3 100644
--- a/cmd/dumps/main.go
+++ b/cmd/dumps/main.go
@@ -52,6 +52,10 @@ func main() {
 	errs := []error{}
 	signups := make([]jsonSignup, len(lines))
 	for i, l := range lines {
+		l = strings.TrimSpace(l)
+		if l == "" {
+			continue
+		}
 		s := jsonSignup{}
 		err := json.Unmarshal([]byte(l), &s)
 		if err != nil {