diff --git a/resources/js/app.js b/resources/js/app.js
index 57cb6ced0..b94b2ae99 100644
--- a/resources/js/app.js
+++ b/resources/js/app.js
@@ -189,6 +189,9 @@ const docsearchOptions = {
 docsearch({
     ...docsearchOptions,
     container: '#docsearch-desktop',
+    // The site menu is a popover, so it renders above the search modal. Tell it
+    // to close when a keyboard shortcut opens search while the menu is open.
+    onOpen: () => window.dispatchEvent(new CustomEvent('docsearch:open')),
 })
 
 // Mirror the desktop DocSearch button into the mobile container so that
diff --git a/resources/views/components/navbar/mobile-menu.blade.php b/resources/views/components/navbar/mobile-menu.blade.php
index 5ca02d30b..ff1b9fd25 100644
--- a/resources/views/components/navbar/mobile-menu.blade.php
+++ b/resources/views/components/navbar/mobile-menu.blade.php
@@ -42,6 +42,7 @@
             })
         }
     "
+    x-on:docsearch:open.window="showMobileMenu = false"
     class="relative z-40"
 >
     <button
@@ -419,7 +420,10 @@ class="-mr-0.5 transition-all duration-200 ease-in-out will-change-transform lg:
                     >
                         <div
                             id="docsearch-desktop"
-                            x-on:click="if (window.innerWidth < 640) window.scrollTo({ top: 0, behavior: 'instant' })"
+                            x-on:click="
+                                showMobileMenu = false
+                                if (window.innerWidth < 640) window.scrollTo({ top: 0, behavior: 'instant' })
+                            "
                             aria-label="Search documentation"
                         ></div>
                     </div>
diff --git a/tests/Feature/NavigationMobileMenuSearchTest.php b/tests/Feature/NavigationMobileMenuSearchTest.php
new file mode 100644
index 000000000..8f0b67742
--- /dev/null
+++ b/tests/Feature/NavigationMobileMenuSearchTest.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Tests\Feature;
+
+use DOMDocument;
+use DOMElement;
+use DOMXPath;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+/**
+ * The menu is a popover, so the browser draws it above everything else,
+ * including the DocSearch modal. It has to close whenever search opens,
+ * otherwise it sits on top of the search box.
+ */
+class NavigationMobileMenuSearchTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_menu_closes_when_its_search_button_is_clicked(): void
+    {
+        $searchButtonContainer = $this->elementOnHomePage('//*[@id="docsearch-desktop"]');
+
+        $this->assertStringContainsString(
+            'showMobileMenu = false',
+            $searchButtonContainer->getAttribute('x-on:click'),
+        );
+    }
+
+    public function test_menu_closes_when_a_keyboard_shortcut_opens_search(): void
+    {
+        $menu = $this->elementOnHomePage('//*[@id="mobile-menu-popover"]/..');
+
+        $this->assertSame('showMobileMenu = false', $menu->getAttribute('x-on:docsearch:open.window'));
+
+        $this->assertMatchesRegularExpression(
+            "/onOpen: .*new CustomEvent\('docsearch:open'\)/",
+            file_get_contents(resource_path('js/app.js')),
+            'DocSearch should announce that it opened with the event the menu listens for.',
+        );
+    }
+
+    private function elementOnHomePage(string $xpath): DOMElement
+    {
+        $dom = new DOMDocument;
+        libxml_use_internal_errors(true);
+        $dom->loadHTML('<?xml encoding="utf-8" ?>'.$this->get('/')->assertOk()->getContent());
+        libxml_clear_errors();
+
+        $element = (new DOMXPath($dom))->query($xpath)->item(0);
+
+        $this->assertInstanceOf(DOMElement::class, $element, "Nothing on the home page matches {$xpath}.");
+
+        return $element;
+    }
+}