diff --git a/gstreamer/Gir.toml b/gstreamer/Gir.toml
index 6174f7b58..364506761 100644
--- a/gstreamer/Gir.toml
+++ b/gstreamer/Gir.toml
@@ -56,6 +56,7 @@ manual = [
     "Gst.CapsFeatures",
     "Gst.DebugCategory",
     "Gst.DebugMessage",
+    "Gst.DeviceProviderClass", # for docs only
     "Gst.ElementClass", # for docs only
     "Gst.Segment",
     "Gst.StaticCaps",
diff --git a/gstreamer/src/device_provider.rs b/gstreamer/src/device_provider.rs
index 6b361bde1..9c6fc7dbc 100644
--- a/gstreamer/src/device_provider.rs
+++ b/gstreamer/src/device_provider.rs
@@ -39,16 +39,9 @@ pub trait DeviceProviderExtManual: sealed::Sealed + IsA<DeviceProvider> + 'stati
     #[doc(alias = "gst_device_provider_class_get_metadata")]
     fn metadata<'a>(&self, key: &str) -> Option<&'a str> {
         unsafe {
-            let klass = (*(self.as_ptr() as *mut glib::gobject_ffi::GTypeInstance)).g_class
-                as *mut ffi::GstDeviceProviderClass;
-
-            let ptr = ffi::gst_device_provider_class_get_metadata(klass, key.to_glib_none().0);
-
-            if ptr.is_null() {
-                None
-            } else {
-                Some(CStr::from_ptr(ptr).to_str().unwrap())
-            }
+            self.unsafe_cast_ref::<DeviceProvider>()
+                .class()
+                .metadata(key)
         }
     }
 
@@ -64,3 +57,29 @@ pub trait DeviceProviderExtManual: sealed::Sealed + IsA<DeviceProvider> + 'stati
 }
 
 impl<O: IsA<DeviceProvider>> DeviceProviderExtManual for O {}
+
+pub unsafe trait DeviceProviderClassExt {
+    #[doc(alias = "get_metadata")]
+    #[doc(alias = "gst_device_provider_class_get_metadata")]
+    fn metadata<'a>(&self, key: &str) -> Option<&'a str> {
+        unsafe {
+            let klass = self as *const _ as *const ffi::GstDeviceProviderClass;
+
+            let ptr = ffi::gst_device_provider_class_get_metadata(
+                mut_override(klass),
+                key.to_glib_none().0,
+            );
+
+            if ptr.is_null() {
+                None
+            } else {
+                Some(CStr::from_ptr(ptr).to_str().unwrap())
+            }
+        }
+    }
+}
+
+unsafe impl<T: IsA<DeviceProvider> + glib::object::IsClass> DeviceProviderClassExt
+    for glib::object::Class<T>
+{
+}
diff --git a/gstreamer/src/lib.rs b/gstreamer/src/lib.rs
index d64f7ed49..9708d3081 100644
--- a/gstreamer/src/lib.rs
+++ b/gstreamer/src/lib.rs
@@ -317,7 +317,7 @@ pub mod prelude {
         child_proxy::ChildProxyExtManual,
         clock::ClockExtManual,
         device_monitor::DeviceMonitorExtManual,
-        device_provider::DeviceProviderExtManual,
+        device_provider::{DeviceProviderClassExt, DeviceProviderExtManual},
         element::{ElementClassExt, ElementExtManual},
         format::prelude::*,
         gobject::GObjectExtManualGst,