diff --git a/spa/plugins/bluez5/bluez5-device.c b/spa/plugins/bluez5/bluez5-device.c
index 1205d0fff..40db73b89 100644
--- a/spa/plugins/bluez5/bluez5-device.c
+++ b/spa/plugins/bluez5/bluez5-device.c
@@ -410,7 +410,7 @@ static void emit_node_props(struct impl *this, struct node *node, bool full)
 			SPA_PROP_latencyOffsetNsec, SPA_POD_Long(node->latency_offset),
 			0);
 	}
-	event = spa_pod_builder_pop(&b, &f[0]);
+	event = (struct spa_event*)spa_pod_builder_pop(&b, &f[0]);
 
 	spa_device_emit_event(&this->hooks, event);
 }
@@ -929,7 +929,7 @@ static void dynamic_node_volume_changed(void *data)
 	spa_pod_builder_add_object(&b,
 			SPA_TYPE_OBJECT_Props, SPA_EVENT_DEVICE_Props,
 			SPA_PROP_volume, SPA_POD_Float(t_volume->volume));
-	event = spa_pod_builder_pop(&b, &f[0]);
+	event = (struct spa_event*)spa_pod_builder_pop(&b, &f[0]);
 
 	spa_log_debug(impl->log, "dynamic node %d: volume %d changed %f, profile %d",
 			node->id, volume_id, t_volume->volume, node->transport->profile);
@@ -3144,7 +3144,7 @@ static int node_set_mute(struct impl *this, struct node *node, bool mute)
 			SPA_TYPE_OBJECT_Props, SPA_EVENT_DEVICE_Props,
 			SPA_PROP_mute, SPA_POD_Bool(mute),
 			SPA_PROP_softMute, SPA_POD_Bool(mute));
-	event = spa_pod_builder_pop(&b, &f[0]);
+	event = (struct spa_event*)spa_pod_builder_pop(&b, &f[0]);
 
 	spa_device_emit_event(&this->hooks, event);
 
@@ -3174,7 +3174,7 @@ static int node_set_latency_offset(struct impl *this, struct node *node, int64_t
 	spa_pod_builder_add_object(&b,
 			SPA_TYPE_OBJECT_Props, SPA_EVENT_DEVICE_Props,
 			SPA_PROP_latencyOffsetNsec, SPA_POD_Long(latency_offset));
-	event = spa_pod_builder_pop(&b, &f[0]);
+	event = (struct spa_event*)spa_pod_builder_pop(&b, &f[0]);
 
 	spa_device_emit_event(&this->hooks, event);
 
diff --git a/spa/plugins/bluez5/media-sink.c b/spa/plugins/bluez5/media-sink.c
index 000841775..8ee8f7cfb 100644
--- a/spa/plugins/bluez5/media-sink.c
+++ b/spa/plugins/bluez5/media-sink.c
@@ -2485,7 +2485,7 @@ static void transport_state_changed(void *data,
 
 		spa_pod_builder_init(&b, buffer, sizeof(buffer));
 		spa_node_emit_event(&this->hooks,
-				spa_pod_builder_add_object(&b,
+				(struct spa_event*)spa_pod_builder_add_object(&b,
 						SPA_TYPE_EVENT_Node, SPA_NODE_EVENT_Error));
 	}
 }
diff --git a/spa/plugins/bluez5/media-source.c b/spa/plugins/bluez5/media-source.c
index 536ca284f..01bb4f2fd 100644
--- a/spa/plugins/bluez5/media-source.c
+++ b/spa/plugins/bluez5/media-source.c
@@ -2046,7 +2046,7 @@ static void transport_state_changed(void *data,
 
 		spa_pod_builder_init(&b, buffer, sizeof(buffer));
 		spa_node_emit_event(&this->hooks,
-				spa_pod_builder_add_object(&b,
+				(struct spa_event*)spa_pod_builder_add_object(&b,
 						SPA_TYPE_EVENT_Node, SPA_NODE_EVENT_Error));
 	}
 }
diff --git a/src/gst/gstpipewireformat.c b/src/gst/gstpipewireformat.c
index fa97d3e01..a93a3051f 100644
--- a/src/gst/gstpipewireformat.c
+++ b/src/gst/gstpipewireformat.c
@@ -443,7 +443,7 @@ add_limits (struct spa_pod_dynamic_builder *b, ConvertData *d)
       spa_pod_builder_rectangle (&b->b, v.width, v.height);
     }
     if (i > 0) {
-      choice = spa_pod_builder_pop(&b->b, &f);
+      choice = (struct spa_pod_choice *)spa_pod_builder_pop(&b->b, &f);
       if (i == 1)
         choice->body.type = SPA_CHOICE_None;
     }
@@ -461,7 +461,7 @@ add_limits (struct spa_pod_dynamic_builder *b, ConvertData *d)
       spa_pod_builder_fraction (&b->b, v.num, v.denom);
     }
     if (i > 0) {
-      choice = spa_pod_builder_pop(&b->b, &f);
+      choice = (struct spa_pod_choice *)spa_pod_builder_pop(&b->b, &f);
       if (i == 1)
         choice->body.type = SPA_CHOICE_None;
     }
@@ -479,7 +479,7 @@ add_limits (struct spa_pod_dynamic_builder *b, ConvertData *d)
       spa_pod_builder_fraction (&b->b, v.num, v.denom);
     }
     if (i > 0) {
-      choice = spa_pod_builder_pop(&b->b, &f);
+      choice = (struct spa_pod_choice *)spa_pod_builder_pop(&b->b, &f);
       if (i == 1)
         choice->body.type = SPA_CHOICE_None;
     }
@@ -719,7 +719,7 @@ handle_audio_fields (ConvertData *d)
         spa_pod_builder_id (&b.b, audio_format_map[idx]);
     }
     if (i > 0) {
-      choice = spa_pod_builder_pop(&b.b, &f);
+      choice = (struct spa_pod_choice *)spa_pod_builder_pop(&b.b, &f);
       if (i == 1)
         choice->body.type = SPA_CHOICE_None;
     }
@@ -759,7 +759,7 @@ handle_audio_fields (ConvertData *d)
       spa_pod_builder_id (&b.b, layout);
     }
     if (i > 0) {
-      choice = spa_pod_builder_pop(&b.b, &f);
+      choice = (struct spa_pod_choice *)spa_pod_builder_pop(&b.b, &f);
       if (i == 1)
         choice->body.type = SPA_CHOICE_None;
     }
@@ -777,7 +777,7 @@ handle_audio_fields (ConvertData *d)
       spa_pod_builder_int (&b.b, v);
     }
     if (i > 0) {
-      choice = spa_pod_builder_pop(&b.b, &f);
+      choice = (struct spa_pod_choice *)spa_pod_builder_pop(&b.b, &f);
       if (i == 1)
         choice->body.type = SPA_CHOICE_None;
     }
@@ -794,7 +794,7 @@ handle_audio_fields (ConvertData *d)
       spa_pod_builder_int (&b.b, v);
     }
     if (i > 0) {
-      choice = spa_pod_builder_pop(&b.b, &f);
+      choice = (struct spa_pod_choice *)spa_pod_builder_pop(&b.b, &f);
       if (i == 1) {
         choice->body.type = SPA_CHOICE_None;
         set_default_channels (&b.b, v);