diff --git a/cmd/stdiscosrv/database.go b/cmd/stdiscosrv/database.go
index f38ec4c27..ce151da3c 100644
--- a/cmd/stdiscosrv/database.go
+++ b/cmd/stdiscosrv/database.go
@@ -16,6 +16,7 @@ import (
 	"time"
 
 	"github.com/syndtr/goleveldb/leveldb"
+	"github.com/syndtr/goleveldb/leveldb/storage"
 	"github.com/syndtr/goleveldb/leveldb/util"
 )
 
@@ -54,6 +55,18 @@ func newLevelDBStore(dir string) (*levelDBStore, error) {
 	}, nil
 }
 
+func newMemoryLevelDBStore() (*levelDBStore, error) {
+	db, err := leveldb.Open(storage.NewMemStorage(), nil)
+	if err != nil {
+		return nil, err
+	}
+	return &levelDBStore{
+		db:    db,
+		inbox: make(chan func(), 16),
+		clock: defaultClock{},
+	}, nil
+}
+
 func (s *levelDBStore) put(key string, rec DatabaseRecord) error {
 	t0 := time.Now()
 	defer func() {
diff --git a/cmd/stdiscosrv/database_test.go b/cmd/stdiscosrv/database_test.go
index 781ac0a2a..2596b6b17 100644
--- a/cmd/stdiscosrv/database_test.go
+++ b/cmd/stdiscosrv/database_test.go
@@ -9,15 +9,12 @@ package main
 import (
 	"context"
 	"fmt"
-	"os"
 	"testing"
 	"time"
 )
 
 func TestDatabaseGetSet(t *testing.T) {
-	os.RemoveAll("_database")
-	defer os.RemoveAll("_database")
-	db, err := newLevelDBStore("_database")
+	db, err := newMemoryLevelDBStore()
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -119,7 +116,7 @@ func TestDatabaseGetSet(t *testing.T) {
 
 	// Put a record with misses
 
-	rec = DatabaseRecord{Misses: 42}
+	rec = DatabaseRecord{Misses: 42, Missed: tc.Now().UnixNano()}
 	if err := db.put("efgh", rec); err != nil {
 		t.Fatal(err)
 	}
@@ -209,5 +206,6 @@ func (t *testClock) wind(d time.Duration) {
 }
 
 func (t *testClock) Now() time.Time {
+	t.now = t.now.Add(time.Nanosecond)
 	return t.now
 }