diff --git a/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt b/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt
index fb3d5c177..2aa70f794 100644
--- a/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt
+++ b/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt
@@ -244,7 +244,7 @@ private fun SpeakerIcon(
             .clip(CircleShape)
             .border(
                 BorderStroke(1.dp, MaterialTheme.colorScheme.outline),
-                RoundedCornerShape(8.dp),
+                CircleShape,
             ),
     )
 }