diff --git a/packages/stream_chat_flutter/lib/src/channel_list_view.dart b/packages/stream_chat_flutter/lib/src/channel_list_view.dart
index 0ceff00e..bc4f4b19 100644
--- a/packages/stream_chat_flutter/lib/src/channel_list_view.dart
+++ b/packages/stream_chat_flutter/lib/src/channel_list_view.dart
@@ -599,7 +599,9 @@ class _ChannelListViewState extends State<ChannelListView> {
               child: ChannelPreview(
                 onLongPress: widget.onChannelLongPress,
                 channel: channel,
-                onImageTap: () => widget.onImageTap?.call(channel),
+                onImageTap: widget.onImageTap != null
+                    ? () => widget.onImageTap!(channel)
+                    : null,
                 onTap: (channel) => onTap(channel, widget.channelWidget),
               ),
             ),