diff --git a/lazy.go b/lazy.go
index b3d2a37..7fe33ad 100644
--- a/lazy.go
+++ b/lazy.go
@@ -103,11 +103,14 @@ func RandomGenerate(m Config) (*Mock, error) {
 				nullType := false
 				switch field.Type {
 				case reflect.TypeOf(sql.NullTime{}):
-					// if isNull() {
-					rows[y] = append(rows[y], nil)
-					// } else {
-					// 	rows[y] = append(rows[y], time.Now())
-					// }
+					var temp sql.NullTime
+					if isNull() {
+						temp.Valid = false
+					} else {
+						temp.Valid = true
+						temp.Time = time.Now()
+					}
+					rows[y] = append(rows[y], temp)
 					nullType = true
 				case reflect.TypeOf(sql.NullInt16{}):
 					if isNull() {