diff --git a/src/renderer/src/components/pull-request-page/page/header.tsx b/src/renderer/src/components/pull-request-page/page/header.tsx
index 8e9792d6eaa..a19de7e5853 100644
--- a/src/renderer/src/components/pull-request-page/page/header.tsx
+++ b/src/renderer/src/components/pull-request-page/page/header.tsx
@@ -137,20 +137,22 @@ export function PullRequestPageHeader({
       </div>
 
       <div className="flex-none border-b border-border/60 px-6 py-5">
-        <div className="flex items-start gap-4">
-          <h1 className="min-w-0 flex-1 text-[26px] font-medium leading-snug text-foreground">
+        {/* Why: a floor rather than min-w-0 — otherwise the title shrinks away and the actions never wrap. */}
+        <div className="flex flex-wrap items-start gap-4">
+          <h1 className="min-w-40 flex-1 text-[26px] font-medium leading-snug text-foreground">
             <span className="break-words">{workItem.title}</span>
             <span className="ml-2 align-baseline text-[20px] font-normal text-muted-foreground/70">
               #{workItem.number}
             </span>
           </h1>
-          <div className="flex shrink-0 items-center gap-2">
+          <div className="flex min-w-0 items-center gap-2">
             <DropdownMenu modal={false}>
-              <ButtonGroup>
+              <ButtonGroup className="max-w-full min-w-0 items-center">
+                {/* Why: on its own line a long label is still wider than a narrow page, and nowrap would clip the chevron. */}
                 <Button
                   type="button"
                   onClick={onOpenOrUsePR}
-                  className="w-[180px] justify-center gap-1.5 whitespace-nowrap"
+                  className="h-auto min-w-[180px] max-w-full shrink justify-center whitespace-normal"
                   aria-label={
                     hasAttachedWorkspace
                       ? t(