diff --git a/hasher/hasher.go b/hasher/hasher.go
index 14e5a99..8be99cc 100644
--- a/hasher/hasher.go
+++ b/hasher/hasher.go
@@ -74,6 +74,10 @@ func computeAndStore(rawTask []string) {
 				continue
 			}
 
+			if len(data) == 0 {
+				continue
+			}
+
 			h, err := ComputeHash(data)
 			if err != nil {
 				return