diff --git a/packages/ui/src/components/tool-call.tsx b/packages/ui/src/components/tool-call.tsx
index 3d00c900..741d00d5 100644
--- a/packages/ui/src/components/tool-call.tsx
+++ b/packages/ui/src/components/tool-call.tsx
@@ -172,7 +172,7 @@ export default function ToolCall(props: ToolCallProps) {
   })
 
   const [userExpanded, setUserExpanded] = createSignal<boolean | null>(null)
-  const toolInputsVisibility = createMemo(() => preferences().toolInputsVisibility || "hidden")
+  const toolInputsVisibility = createMemo(() => preferences().toolInputsVisibility || "collapsed")
   const [toolInputVisibilityOverride, setToolInputVisibilityOverride] = createSignal<"hidden" | "expanded" | null>(null)
   const effectiveToolInputsVisibility = createMemo(() => toolInputVisibilityOverride() ?? toolInputsVisibility())
   const isToolInputVisible = createMemo(() => effectiveToolInputsVisibility() !== "hidden")
diff --git a/packages/ui/src/stores/preferences.tsx b/packages/ui/src/stores/preferences.tsx
index a48662b6..8ac2ead0 100644
--- a/packages/ui/src/stores/preferences.tsx
+++ b/packages/ui/src/stores/preferences.tsx
@@ -110,7 +110,7 @@ const defaultUiSettings: UiSettings = {
   diffViewMode: "split",
   toolOutputExpansion: "expanded",
   diagnosticsExpansion: "expanded",
-  toolInputsVisibility: "hidden",
+  toolInputsVisibility: "collapsed",
   showUsageMetrics: true,
   autoCleanupBlankSessions: true,