diff --git a/safekeeper/src/lib.rs b/safekeeper/src/lib.rs
index 543714a54e..b08d701af8 100644
--- a/safekeeper/src/lib.rs
+++ b/safekeeper/src/lib.rs
@@ -49,7 +49,7 @@ pub mod defaults {
 
     pub const DEFAULT_HEARTBEAT_TIMEOUT: &str = "5000ms";
     pub const DEFAULT_MAX_OFFLOADER_LAG_BYTES: u64 = 128 * (1 << 20);
-    pub const DEFAULT_PARTIAL_BACKUP_TIMEOUT: &str = "15m";
+    pub const DEFAULT_PARTIAL_BACKUP_TIMEOUT: &str = "3h";
 }
 
 #[derive(Debug, Clone)]
diff --git a/safekeeper/src/wal_backup_partial.rs b/safekeeper/src/wal_backup_partial.rs
index 200096ac5c..58608df6dd 100644
--- a/safekeeper/src/wal_backup_partial.rs
+++ b/safekeeper/src/wal_backup_partial.rs
@@ -1,6 +1,6 @@
 //! Safekeeper timeline has a background task which is subscribed to `commit_lsn`
 //! and `flush_lsn` updates. After the partial segment was updated (`flush_lsn`
-//! was changed), the segment will be uploaded to S3 in about 15 minutes.
+//! was changed), the segment will be uploaded to S3 in about 3 hours.
 //!
 //! The filename format for partial segments is
 //! `Segment_Term_Flush_Commit_skNN.partial`, where: