diff --git a/gst-plugin/src/aggregator.rs b/gst-plugin/src/aggregator.rs
index a2ad9e5c..74b448ea 100644
--- a/gst-plugin/src/aggregator.rs
+++ b/gst-plugin/src/aggregator.rs
@@ -519,6 +519,7 @@ impl ObjectType for Aggregator {
     type InstanceStructType = ElementInstanceStruct<Self>;
 
     fn class_init(token: &ClassInitToken, klass: &mut AggregatorClass) {
+        ObjectClassExt::override_vfuncs(klass, token);
         ElementClassExt::override_vfuncs(klass, token);
         AggregatorClassExt::override_vfuncs(klass, token);
     }
diff --git a/gst-plugin/src/aggregator_pad.rs b/gst-plugin/src/aggregator_pad.rs
index 60dda509..93f3f3df 100644
--- a/gst-plugin/src/aggregator_pad.rs
+++ b/gst-plugin/src/aggregator_pad.rs
@@ -145,7 +145,9 @@ impl ObjectType for AggregatorPad {
     type InstanceStructType = InstanceStruct<Self>;
 
     fn class_init(token: &ClassInitToken, klass: &mut AggregatorPadClass) {
+        ObjectClassExt::override_vfuncs(klass, token);
         PadClassExt::override_vfuncs(klass, token);
+        GhostPadClassExt::override_vfuncs(klass, token);
         AggregatorPadClassExt::override_vfuncs(klass, token);
     }
 
diff --git a/gst-plugin/src/base_sink.rs b/gst-plugin/src/base_sink.rs
index 7c19a6ac..56bc4bec 100644
--- a/gst-plugin/src/base_sink.rs
+++ b/gst-plugin/src/base_sink.rs
@@ -297,6 +297,7 @@ impl ObjectType for BaseSink {
     type InstanceStructType = ElementInstanceStruct<Self>;
 
     fn class_init(token: &ClassInitToken, klass: &mut BaseSinkClass) {
+        ObjectClassExt::override_vfuncs(klass, token);
         ElementClassExt::override_vfuncs(klass, token);
         BaseSinkClassExt::override_vfuncs(klass, token);
     }
diff --git a/gst-plugin/src/base_transform.rs b/gst-plugin/src/base_transform.rs
index d4eb85dd..ace3bf99 100644
--- a/gst-plugin/src/base_transform.rs
+++ b/gst-plugin/src/base_transform.rs
@@ -430,6 +430,7 @@ impl ObjectType for BaseTransform {
     type InstanceStructType = ElementInstanceStruct<Self>;
 
     fn class_init(token: &ClassInitToken, klass: &mut BaseTransformClass) {
+        ObjectClassExt::override_vfuncs(klass, token);
         ElementClassExt::override_vfuncs(klass, token);
         BaseTransformClassExt::override_vfuncs(klass, token);
     }
diff --git a/gst-plugin/src/bin.rs b/gst-plugin/src/bin.rs
index 039e71cb..841f17e7 100644
--- a/gst-plugin/src/bin.rs
+++ b/gst-plugin/src/bin.rs
@@ -151,6 +151,7 @@ impl ObjectType for Bin {
     type InstanceStructType = ElementInstanceStruct<Self>;
 
     fn class_init(token: &ClassInitToken, klass: &mut BinClass) {
+        ObjectClassExt::override_vfuncs(klass, token);
         ElementClassExt::override_vfuncs(klass, token);
         BinClassExt::override_vfuncs(klass, token);
     }
diff --git a/gst-plugin/src/ghost_pad.rs b/gst-plugin/src/ghost_pad.rs
index b052a718..9679b718 100644
--- a/gst-plugin/src/ghost_pad.rs
+++ b/gst-plugin/src/ghost_pad.rs
@@ -81,6 +81,7 @@ impl ObjectType for GhostPad {
     type InstanceStructType = InstanceStruct<Self>;
 
     fn class_init(token: &ClassInitToken, klass: &mut GhostPadClass) {
+        ObjectClassExt::override_vfuncs(klass, token);
         PadClassExt::override_vfuncs(klass, token);
         GhostPadClassExt::override_vfuncs(klass, token);
     }
diff --git a/gst-plugin/src/pad.rs b/gst-plugin/src/pad.rs
index 4b409d74..1ddbc1a9 100644
--- a/gst-plugin/src/pad.rs
+++ b/gst-plugin/src/pad.rs
@@ -118,6 +118,7 @@ impl ObjectType for Pad {
     type InstanceStructType = InstanceStruct<Self>;
 
     fn class_init(token: &ClassInitToken, klass: &mut PadClass) {
+        ObjectClassExt::override_vfuncs(klass, token);
         PadClassExt::override_vfuncs(klass, token);
     }