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 97fba3215..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
@@ -13,6 +13,7 @@ import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Error
@@ -240,10 +241,10 @@ private fun SpeakerIcon(
         contentDescription = stringResource(SessionsRes.string.content_description_user_icon),
         modifier = modifier
             .size(TimetableGridItemSizes.speakerHeight)
-            .clip(RoundedCornerShape(8.dp))
+            .clip(CircleShape)
             .border(
                 BorderStroke(1.dp, MaterialTheme.colorScheme.outline),
-                RoundedCornerShape(8.dp),
+                CircleShape,
             ),
     )
 }