diff --git a/server/src/main.rs b/server/src/main.rs
index adb0279e8..d3d54b05c 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -138,10 +138,10 @@ fn startup_sync() {
         };
 
         let last_modified = FileTime::from_last_modification_time(&metadata);
-        let last_modified = NaiveDateTime::from_timestamp(last_modified.unix_seconds(), 0);
-        let last_modified: DateTime<Utc> = DateTime::from_utc(last_modified, Utc);
+        let last_modified = NaiveDateTime::from_timestamp_opt(last_modified.unix_seconds(), 0);
+        let last_modified: DateTime<Utc> = DateTime::from_utc(last_modified.unwrap(), Utc);
 
-        let uri = utils::date_to_prefix(last_modified.date())
+        let uri = utils::date_to_prefix(last_modified.date_naive())
             + &utils::hour_to_prefix(last_modified.hour())
             + &utils::minute_to_prefix(
                 last_modified.minute(),
diff --git a/server/src/storage.rs b/server/src/storage.rs
index 027bc38d6..157709a62 100644
--- a/server/src/storage.rs
+++ b/server/src/storage.rs
@@ -312,7 +312,7 @@ impl StorageSync {
 
     fn move_local_to_temp(&self) -> io::Result<()> {
         let time = self.time - Duration::minutes(OBJECT_STORE_DATA_GRANULARITY as i64);
-        let uri = utils::date_to_prefix(time.date())
+        let uri = utils::date_to_prefix(time.date_naive())
             + &utils::hour_to_prefix(time.hour())
             + &utils::minute_to_prefix(time.minute(), OBJECT_STORE_DATA_GRANULARITY).unwrap();
         let local_uri = str::replace(&uri, "/", ".");
diff --git a/server/src/utils.rs b/server/src/utils.rs
index ecaa87003..e2618e817 100644
--- a/server/src/utils.rs
+++ b/server/src/utils.rs
@@ -17,7 +17,7 @@
  */
 
 use actix_web::web;
-use chrono::{Date, DateTime, Timelike, Utc};
+use chrono::{DateTime, NaiveDate, Timelike, Utc};
 use serde_json::{json, Value};
 use std::collections::HashMap;
 
@@ -209,7 +209,7 @@ pub fn minute_to_slot(minute: u32, data_granularity: u32) -> Option<String> {
     Some(format!("{:02}-{:02}", block_start, block_end))
 }
 
-pub fn date_to_prefix(date: Date<Utc>) -> String {
+pub fn date_to_prefix(date: NaiveDate) -> String {
     let date = format!("date={}/", date);
     date.replace("UTC", "")
 }
@@ -247,8 +247,8 @@ impl TimePeriod {
 
         self.generate_date_prefixes(
             &prefix,
-            self.start.date(),
-            self.end.date(),
+            self.start.date_naive(),
+            self.end.date_naive(),
             (self.start.hour(), self.start.minute()),
             (self.end.hour(), end_minute),
         )
@@ -341,8 +341,8 @@ impl TimePeriod {
     pub fn generate_date_prefixes(
         &self,
         prefix: &str,
-        start_date: Date<Utc>,
-        end_date: Date<Utc>,
+        start_date: NaiveDate,
+        end_date: NaiveDate,
         start_time: (u32, u32),
         end_time: (u32, u32),
     ) -> Vec<String> {