diff --git a/girs/GstVulkan-1.0.gir b/girs/GstVulkan-1.0.gir
index 3dc5adf93b..d00c72b2cc 100644
--- a/girs/GstVulkan-1.0.gir
+++ b/girs/GstVulkan-1.0.gir
@@ -1874,9 +1874,9 @@ only have an effect before the call to gst_vulkan_device_open().</doc>
       <method name="select_queue" c:identifier="gst_vulkan_device_select_queue" version="1.24">
         <doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.c">Select a compatible queue from the @device supporting the @expected_flags.</doc>
         <source-position filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.h"/>
-        <return-value transfer-ownership="full">
-          <doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.c">a #GstVulkanQueue for @queue matching the
-                          @expected_flags</doc>
+        <return-value transfer-ownership="full" nullable="1">
+          <doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.c">a #GstVulkanQueue for @queue matching
+                                     the @expected_flags</doc>
           <type name="VulkanQueue" c:type="GstVulkanQueue*"/>
         </return-value>
         <parameters>
diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.c b/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.c
index 9364333b18..04fee59650 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.c
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdevice.c
@@ -1091,12 +1091,12 @@ _choose_queue (GstVulkanDevice * device, GstVulkanQueue * queue,
 /**
  * gst_vulkan_device_select_queue
  * @device: a #GstVulkanDevice
- * @expected_flags:  a VkQueueFlagBits
+ * @expected_flags: a VkQueueFlagBits
  *
  * Select a compatible queue from the @device supporting the @expected_flags.
  *
- * Returns: (transfer full): a #GstVulkanQueue for @queue matching the
- *                           @expected_flags
+ * Returns: (transfer full) (nullable): a #GstVulkanQueue for @queue matching
+ *                                      the @expected_flags
  *
  * Since: 1.24
  */