diff --git a/include/msgba/core_controller.h b/include/msgba/core_controller.h
index adf48e0..3791a2f 100644
--- a/include/msgba/core_controller.h
+++ b/include/msgba/core_controller.h
@@ -28,4 +28,6 @@ struct msCoreController *
 msCoreControllerNew (struct mCore *core, struct msClientConnectionData *const data);
 void
 msCoreControllerThreadStart (struct msCoreController *const core_controller);
+void
+msCoreControllerSetFrameCallback(struct msCoreController *const self, void(*callback)(struct mCoreThread *));
 #endif
diff --git a/include/msgba/packet.h b/include/msgba/packet.h
index e22cd7e..cfce10a 100644
--- a/include/msgba/packet.h
+++ b/include/msgba/packet.h
@@ -8,7 +8,7 @@
 /**
  * The possible values for a packet id.
  */
-extern enum {
+enum {
     PACKET_GET_HELLO, //! Packet id for get hello.
     PACKET_SEND_FRAME, //! Packet id for send frame.
     PACKETS_NUMBER //! The number of recognized packets.
diff --git a/src/packet/hello.c b/src/packet/hello.c
index 2f939b2..7b8c4e0 100644
--- a/src/packet/hello.c
+++ b/src/packet/hello.c
@@ -1,5 +1,6 @@
 #include <msgba/packet.h>
 #include <msgba/packet/hello.h>
+#include <msgba/core_controller.h>
 void
 msPacketHelloDestroy(struct msPacketHello **hello) {
     if ((*hello)->rom) {
@@ -23,7 +24,7 @@ msPacketHelloHandle(const struct msPacket *packet, struct msPacketHello *hello,
         goto return_ms_packet_hello_handle;
     }
     printf("Loading game and save for client_fd %d\n", data->clientFd);
-    data->coreController = msCoreControllerLoadGame(hello->rom, hello->size_rom, hello->savestate, hello->size_savestate);
+    data->coreController = msCoreControllerLoadGame(hello->rom, hello->size_rom, hello->savestate, hello->size_savestate, data);
     msCoreControllerThreadStart(data->coreController);
     result = true;
 return_ms_packet_hello_handle: