diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22eaadf..3bb6434 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## Version 1.9.104
+
+- Fixed `Block::set_gen_utime_ms` method
+
 ## Version 1.9.101
 
 - Fixed deserialization of BlockInfo. Added method BlockInfo::read_from_ex()
diff --git a/Cargo.toml b/Cargo.toml
index fe3f0ec..ca8e4b1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 build = 'common/build/build.rs'
 edition = '2021'
 name = 'ton_block'
-version = '1.9.103'
+version = '1.9.104'
 
 [dependencies]
 base64 = '0.13'
diff --git a/src/blocks.rs b/src/blocks.rs
index e6a67e1..853e551 100644
--- a/src/blocks.rs
+++ b/src/blocks.rs
@@ -333,7 +333,7 @@ impl BlockInfo {
         self.gen_utime_ms_part = 0;
     }
     pub fn set_gen_utime_ms(&mut self, gen_utime_millis: u64) {
-        self.gen_utime = UnixTime32::new(gen_utime_millis as u32 / 1000);
+        self.gen_utime = UnixTime32::new((gen_utime_millis / 1000) as u32);
         self.gen_utime_ms_part = (gen_utime_millis % 1000) as u16;
     }