diff --git a/events/duration.go b/events/duration.go
index 7952265d..00094709 100644
--- a/events/duration.go
+++ b/events/duration.go
@@ -15,7 +15,7 @@ func (duration *DurationSeconds) UnmarshalJSON(data []byte) error {
 		return err
 	}
 
-	*duration = DurationSeconds(time.Duration(seconds) * time.Second)
+	*duration = DurationSeconds(time.Duration(seconds * float64(time.Second)))
 	return nil
 }
 
@@ -34,7 +34,7 @@ func (duration *DurationMinutes) UnmarshalJSON(data []byte) error {
 		return err
 	}
 
-	*duration = DurationMinutes(time.Duration(minutes) * time.Minute)
+	*duration = DurationMinutes(time.Duration(minutes * float64(time.Minute)))
 	return nil
 }
 
diff --git a/events/duration_test.go b/events/duration_test.go
new file mode 100644
index 00000000..712be18c
--- /dev/null
+++ b/events/duration_test.go
@@ -0,0 +1,27 @@
+package events
+
+import (
+	"encoding/json"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestDurationSecondsKeepsFraction(t *testing.T) {
+	var d DurationSeconds
+	require.NoError(t, json.Unmarshal([]byte("1.5"), &d))
+	require.Equal(t, 1500*time.Millisecond, time.Duration(d))
+
+	require.NoError(t, json.Unmarshal([]byte("36"), &d))
+	require.Equal(t, 36*time.Second, time.Duration(d))
+}
+
+func TestDurationMinutesKeepsFraction(t *testing.T) {
+	var d DurationMinutes
+	require.NoError(t, json.Unmarshal([]byte("1.5"), &d))
+	require.Equal(t, 90*time.Second, time.Duration(d))
+
+	require.NoError(t, json.Unmarshal([]byte("60"), &d))
+	require.Equal(t, 60*time.Minute, time.Duration(d))
+}