diff --git a/src/firmware/xbuilder.rs b/src/firmware/xbuilder.rs
index 7f6c9db..44d8726 100644
--- a/src/firmware/xbuilder.rs
+++ b/src/firmware/xbuilder.rs
@@ -192,6 +192,7 @@ impl FirmwareFilterOptions {
 pub struct XBuilder {
     saved_firmwares: Vec<LastBuildFirmware>,
     base: Option<LastBuildFirmware>,
+    date_sync: Option<DateTime<Utc>>,
 }
 
 impl XBuilder {
@@ -201,6 +202,7 @@ impl XBuilder {
         Self {
             saved_firmwares,
             base: None,
+            date_sync: None,
         }
     }
 
@@ -283,6 +285,11 @@ impl XBuilder {
         self.base = Some(base);
     }
 
+    /// Ignoring base firmware build date and use expected date instead
+    pub fn set_date_for_sync_file(&mut self, date: DateTime<Utc>) {
+        self.date_sync = Some(date);
+    }
+
     /// get file from commit(s) that should be added to newer firmware file
     pub fn sync_file_list(&mut self) -> Vec<String> {
         let mut result = Vec::new();
@@ -295,7 +302,10 @@ impl XBuilder {
 
         let git_res = git2::Repository::open(taobin_repo);
 
-        let last_build_from_base = self.base.as_ref().unwrap().date.timestamp();
+        let mut last_build_from_base = self.base.as_ref().unwrap().date.timestamp();
+        if self.date_sync.is_some() {
+            last_build_from_base = self.date_sync.unwrap().timestamp();
+        }
 
         match git_res {
             Ok(repo) => {