diff --git a/internal/source/disk/map_test.go b/internal/source/disk/map_test.go
index d904e6aa5bcf80a01c6ba45a27d6c59811fd647e..3932e39f3abdc7830bf8b38d5a1b3077d13c16fc 100644
--- a/internal/source/disk/map_test.go
+++ b/internal/source/disk/map_test.go
@@ -233,6 +233,7 @@ func benchmarkReadGroups(b *testing.B, groups, levels int) {
 
 	domainsCnt := 0
 	for i := 0; i < b.N; i++ {
+		time.Sleep(2 * time.Second)
 		dm := make(Map)
 		dm.ReadGroups("example.com", getEntries(b))
 		domainsCnt = len(dm)