diff --git a/src/Routing/NelmioAreaRoutesChecker.php b/src/Routing/NelmioAreaRoutesChecker.php
index fdbed47..cf3cbf5 100644
--- a/src/Routing/NelmioAreaRoutesChecker.php
+++ b/src/Routing/NelmioAreaRoutesChecker.php
@@ -50,7 +50,7 @@ private function matchesByRouteName(string $routeName): bool
         foreach (array_keys($this->routesLocator->getProvidedServices()) as $area) {
             $routeCollection = $this->routesLocator->get($area);
             if (!$routeCollection instanceof RouteCollection) {
-                return false;
+                continue;
             }
 
             if (null !== $routeCollection->get($routeName)) {
diff --git a/tests/Unit/Routing/NelmioAreaRoutesTest.php b/tests/Unit/Routing/NelmioAreaRoutesTest.php
index 94480af..002601b 100644
--- a/tests/Unit/Routing/NelmioAreaRoutesTest.php
+++ b/tests/Unit/Routing/NelmioAreaRoutesTest.php
@@ -103,8 +103,9 @@ public function testReturnsTrueWhenFoundInSecondArea(): void
         self::assertTrue($checker->isApiRoute($request));
     }
 
-    public function testNonRouteCollectionServiceCausesFalse(): void
+    public function testNonRouteCollectionServiceOnlySkipsItsOwnArea(): void
     {
+        // Arrange — order matters: the unusable entry must come before the area holding the route.
         $notARouteCollection = static fn () => (object) ['not' => 'a route collection'];
 
         $collection = new RouteCollection();
@@ -121,6 +122,24 @@ public function testNonRouteCollectionServiceCausesFalse(): void
         $request = new Request();
         $request->attributes->set('_route', 'would_match');
 
+        // Act & Assert
+        self::assertTrue($checker->isApiRoute($request));
+    }
+
+    public function testUnusableAreasAloneStillReturnFalse(): void
+    {
+        // Arrange
+        /** @var ServiceLocator<RouteCollection> $locator */
+        $locator = new ServiceLocator([
+            'not_a_route_collection' => static fn () => (object) ['not' => 'a route collection'],
+        ]);
+
+        $checker = new NelmioAreaRoutesChecker($locator);
+
+        $request = new Request();
+        $request->attributes->set('_route', 'anything');
+
+        // Act & Assert
         self::assertFalse($checker->isApiRoute($request));
     }