internal/hasher.go | 3 +++

diff --git a/internal/hasher.go b/internal/hasher.go
index f79bbf4ffd96e7769020f53d74d218b4ba3319b9c3f6cd88448a4e859f3028cf..ca9c7857911eaed808c61a8f3d186a3942bd1ab1482893cf69345ab172071a12 100644
--- a/internal/hasher.go
+++ b/internal/hasher.go
@@ -33,6 +33,9 @@
 func NewHasher(hashes string) (*Hasher, error) {
 	h := Hasher{}
 	for hc := range strings.SplitSeq(hashes, ",") {
+		if hc == "" {
+			continue
+		}
 		cols := strings.SplitN(hc, ":", 2)
 		name, cmdline := cols[0], cols[1]
 		if cmdline == BuiltinCmd {