diff --git a/Makefile.libretro b/Makefile.libretro
index f10ff25..051d41b 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -128,7 +128,7 @@ LIBRETRO_SRC := $(GENPLUS_SRC_DIR)/genesis.c \
 			$(GENPLUS_SRC_DIR)/cart_hw/svp/svp.c \
 			$(GENPLUS_SRC_DIR)/ntsc/md_ntsc.c \
 			$(GENPLUS_SRC_DIR)/ntsc/sms_ntsc.c \
-=			$(GENPLUS_SRC_DIR)/sound/eq.c \
+			$(GENPLUS_SRC_DIR)/sound/eq.c \
 			$(GENPLUS_SRC_DIR)/sound/sound.c \
 			$(GENPLUS_SRC_DIR)/sound/ym2612.c \
 			$(GENPLUS_SRC_DIR)/sound/ym2413.c \
diff --git a/libretro/libretro.c b/libretro/libretro.c
index d6b7494..0eab52e 100644
--- a/libretro/libretro.c
+++ b/libretro/libretro.c
@@ -27,6 +27,8 @@ static int vwidth;
 static int vheight;
 static bool failed_init;
 
+char rom_filename[256];
+
 unsigned retro_api_version(void) { return RETRO_API_VERSION; }
 
 static retro_video_refresh_t video_cb;
@@ -698,7 +700,7 @@ static struct retro_system_av_info g_av_info;
 void retro_get_system_info(struct retro_system_info *info)
 {
    info->library_name = "Genesis Plus GX";
-   info->library_version = "v1.7.0";
+   info->library_version = "v1.7.1";
    info->valid_extensions = "md|smd|bin|cue|gen|zip|MD|SMD|bin|iso|ISO|CUE|GEN|ZIP|sms|SMS|gg|GG|sg|SG";
    info->block_extract = false;
    info->need_fullpath = true;
@@ -948,7 +950,6 @@ void retro_init(void)
 
 void retro_deinit(void)
 {
-   system_shutdown();
 #if defined(USE_NTSC)
    free(md_ntsc);
    free(sms_ntsc);
diff --git a/libretro/osd.h b/libretro/osd.h
index 95dde44..69eabb4 100644
--- a/libretro/osd.h
+++ b/libretro/osd.h
@@ -87,6 +87,7 @@ typedef struct
   float bgm_volume;
   float sfx_volume;
   char lastdir[4][2][MAXPATHLEN];
+  uint8 gg_extra;
 } t_config;
 
 /* Global data */
@@ -106,7 +107,7 @@ extern char MS_BIOS_JP[256];
 
 extern int16 soundbuffer[3068];
 
-#define VERSION "Genesis Plus GX 1.7.0 (libretro)"
+#define VERSION "Genesis Plus GX 1.7.1 (libretro)"
 
 void osd_input_update(void);
 int load_archive(char *filename, unsigned char *buffer, int maxsize, char *extension);