diff --git a/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml b/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
index fb9372e7..2ba85b41 100644
--- a/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
+++ b/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
@@ -41,7 +41,10 @@
           </Button>
           <Button Classes="icon-btn" IsVisible="{Binding IsMergeReviewsVisible}"
                   Command="{Binding MergeReviewsCommand}" ToolTip.Tip="{loc:Tr tasks.mergeReviewsTip}">
-            <PathIcon Width="15" Height="15" Data="{StaticResource Icon.GitBranch}"/>
+            <!-- Icon.GitBranch is line-art: stroke-rendered, PathIcon would fill the lines away -->
+            <Viewbox Width="16" Height="16">
+              <Path Classes="plan-icon" Data="{StaticResource Icon.GitBranch}"/>
+            </Viewbox>
           </Button>
           <Button Classes="icon-btn" IsVisible="{Binding IsQuickClaudeVisible}"
                   Command="{Binding OpenQuickClaudeSessionCommand}" ToolTip.Tip="{loc:Tr tasks.quickClaudeTip}">