3 files changed, 6 insertions, 6 deletions
diff --git a/plugins/eg04-sampler.lv2/sampler.c b/plugins/eg04-sampler.lv2/sampler.c
index 9353d48..70f31c5 100644
--- a/plugins/eg04-sampler.lv2/sampler.c
+++ b/plugins/eg04-sampler.lv2/sampler.c
@@ -343,7 +343,7 @@ run(LV2_Handle instance,
 				break;
 			}
 		} else if (is_object_type(uris, ev->body.type)) {
-			const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body;
+			const LV2_Atom_Object* obj = (const LV2_Atom_Object*)&ev->body;
 			if (obj->body.otype == uris->patch_Set) {
 				// Received a set message, send it to the worker.
 				lv2_log_trace(&self->logger, "Queueing set message\n");
diff --git a/plugins/eg04-sampler.lv2/sampler_ui.c b/plugins/eg04-sampler.lv2/sampler_ui.c
index 40922ae..2184fbf 100644
--- a/plugins/eg04-sampler.lv2/sampler_ui.c
+++ b/plugins/eg04-sampler.lv2/sampler_ui.c
@@ -155,16 +155,16 @@ port_event(LV2UI_Handle handle,
 {
 	SamplerUI* ui = (SamplerUI*)handle;
 	if (format == ui->uris.atom_eventTransfer) {
-		LV2_Atom* atom = (LV2_Atom*)buffer;
+		const LV2_Atom* atom = (const LV2_Atom*)buffer;
 		if (atom->type == ui->uris.atom_Blank) {
-			LV2_Atom_Object* obj      = (LV2_Atom_Object*)atom;
-			const LV2_Atom*  file_uri = read_set_file(&ui->uris, obj);
+			const LV2_Atom_Object* obj      = (const LV2_Atom_Object*)atom;
+			const LV2_Atom*        file_uri = read_set_file(&ui->uris, obj);
 			if (!file_uri) {
 				fprintf(stderr, "Unknown message sent to UI.\n");
 				return;
 			}
 
-			const char* uri = (const char*)LV2_ATOM_BODY(file_uri);
+			const char* uri = (const char*)LV2_ATOM_BODY_CONST(file_uri);
 			gtk_label_set_text(GTK_LABEL(ui->label), uri);
 		} else {
 			fprintf(stderr, "Unknown message type.\n");
diff --git a/plugins/eg04-sampler.lv2/uris.h b/plugins/eg04-sampler.lv2/uris.h
index e2ec6d0..1c00280 100644
--- a/plugins/eg04-sampler.lv2/uris.h
+++ b/plugins/eg04-sampler.lv2/uris.h
@@ -120,7 +120,7 @@ read_set_file(const SamplerURIs*     uris,
 	} else if (property->type != uris->atom_URID) {
 		fprintf(stderr, "Malformed set message has non-URID property.\n");
 		return NULL;
-	} else if (((LV2_Atom_URID*)property)->body != uris->eg_sample) {
+	} else if (((const LV2_Atom_URID*)property)->body != uris->eg_sample) {
 		fprintf(stderr, "Set message for unknown property.\n");
 		return NULL;
 	}