diff --git a/include/common.h b/include/common.h
index 91b0ee7..ab57b55 100644
--- a/include/common.h
+++ b/include/common.h
@@ -88,6 +88,7 @@ struct nvnc_client {
 	uint32_t known_width;
 	uint32_t known_height;
 	struct cut_text cut_text;
+	bool is_qemu_key_ext_notified;
 };
 
 LIST_HEAD(nvnc_client_list, nvnc_client);
diff --git a/src/server.c b/src/server.c
index b1a599c..f1f7f24 100644
--- a/src/server.c
+++ b/src/server.c
@@ -72,9 +72,12 @@ struct fb_update_work {
 int schedule_client_update_fb(struct nvnc_client* client,
 		struct pixman_region16* damage);
 static int send_desktop_resize(struct nvnc_client* client, struct nvnc_fb* fb);
+static int send_qemu_key_ext_frame(struct nvnc_client* client);
 static enum rfb_encodings choose_frame_encoding(struct nvnc_client* client);
 static enum tight_quality client_get_tight_quality(struct nvnc_client* client);
 static void on_tight_encode_frame_done(struct vec* frame, void* userdata);
+static bool client_has_encoding(const struct nvnc_client* client,
+		enum rfb_encodings encoding);
 
 #if defined(GIT_VERSION)
 EXPORT const char nvnc_version[] = GIT_VERSION;
@@ -518,10 +521,18 @@ static void process_fb_update_requests(struct nvnc_client* client)
 		client->has_pixfmt = true;
 	}
 
+	// TODO: Return if there are no pending requests after this
 	if (fb->width != client->known_width
 	    || fb->height != client->known_height)
 		send_desktop_resize(client, fb);
 
+	// TODO: Return if there are no pending requests after this
+	if (server->key_code_fn && !client->is_qemu_key_ext_notified
+	    && client_has_encoding(client, RFB_ENCODING_QEMU_EXT_KEY_EVENT)) {
+		send_qemu_key_ext_frame(client);
+		client->is_qemu_key_ext_notified = true;
+	}
+
 	DTRACE_PROBE1(neatvnc, update_fb_start, client);
 
 	/* The client's damage is exchanged for an empty one */
@@ -1284,6 +1295,22 @@ static int send_desktop_resize(struct nvnc_client* client, struct nvnc_fb* fb)
 	return 0;
 }
 
+static int send_qemu_key_ext_frame(struct nvnc_client* client)
+{
+	struct rfb_server_fb_update_msg head = {
+		.type = RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE,
+		.n_rects = htons(1),
+	};
+
+	struct rfb_server_fb_rect rect = {
+		.encoding = htonl(RFB_ENCODING_QEMU_EXT_KEY_EVENT),
+	};
+
+	stream_write(client->net_stream, &head, sizeof(head), NULL, NULL);
+	stream_write(client->net_stream, &rect, sizeof(rect), NULL, NULL);
+	return 0;
+}
+
 int schedule_client_update_fb(struct nvnc_client* client,
 		struct pixman_region16* damage)
 {