diff --git a/src/asciicast.rs b/src/asciicast.rs
index b8bb3de..267fafc 100644
--- a/src/asciicast.rs
+++ b/src/asciicast.rs
@@ -193,10 +193,10 @@ mod tests {
         assert_eq!(events[0].time, 1);
         assert!(matches!(events[0].data, EventData::Output(ref s) if s == "ż"));
 
-        assert_eq!(events[1].time, 1000000);
+        assert_eq!(events[1].time, 10000001);
         assert!(matches!(events[1].data, EventData::Output(ref s) if s == "ółć"));
 
-        assert_eq!(events[2].time, 10500000);
+        assert_eq!(events[2].time, 10500001);
         assert!(matches!(events[2].data, EventData::Output(ref s) if s == "\r\n"));
     }
 
diff --git a/src/asciicast/v1.rs b/src/asciicast/v1.rs
index 37f1c8d..b6c46ec 100644
--- a/src/asciicast/v1.rs
+++ b/src/asciicast/v1.rs
@@ -50,12 +50,12 @@ pub fn load(json: String) -> Result<Asciicast<'static>> {
         env: asciicast.env.clone(),
     };
 
-    let events = Box::new(
-        asciicast
-            .stdout
-            .into_iter()
-            .map(|e| Ok(Event::output(e.time, e.data))),
-    );
+    let events = Box::new(asciicast.stdout.into_iter().scan(0, |prev_time, event| {
+        let time = *prev_time + event.time;
+        *prev_time = time;
+
+        Some(Ok(Event::output(time, event.data)))
+    }));
 
     Ok(Asciicast { header, events })
 }
diff --git a/tests/casts/full.json b/tests/casts/full.json
index 3848391..c27aef6 100644
--- a/tests/casts/full.json
+++ b/tests/casts/full.json
@@ -15,11 +15,11 @@
       "ż"
     ],
     [
-      1.000000,
+      10.00,
       "ółć"
     ],
     [
-      10.500000,
+      0.5,
       "\r\n"
     ]
   ]