diff --git a/source/font.c b/source/font.c
index be75d45..935aa64 100644
--- a/source/font.c
+++ b/source/font.c
@@ -91,7 +91,7 @@ static int font_object_width(lua_State *L) {
 	int size = luaL_optinteger(L, 3, 9);
 
 	// Wide caracters support. (wchar = UTF32 on 3DS.)
-	wchar_t wtext[len];
+	wchar_t wtext[len+1];
 	len = mbstowcs(wtext, text, len);
 	*(wtext+len) = 0x0; // text end
 
diff --git a/source/fs.c b/source/fs.c
index ea6231e..1b0bef1 100644
--- a/source/fs.c
+++ b/source/fs.c
@@ -20,6 +20,8 @@ void load_lzlib(lua_State *L);
 static int fs_list(lua_State *L) {
 	const char *path = luaL_checkstring(L, 1);
 
+	if (strncmp(path, "sdmc:", 5) == 0) path += 5; // Ignore sdmc: prefix
+
 	lua_newtable(L);
 	int i = 1; // table index
 
@@ -36,7 +38,7 @@ static int fs_list(lua_State *L) {
 
 		if (!entriesRead) break;
 
-		uint8_t name[256]; // utf8 file name
+		uint8_t name[0x106+1]; // utf8 file name
 		size_t size = utf16_to_utf8(name, buffer.name, 0x106);
 		*(name+size) = 0x0; // mark text end
 
diff --git a/source/gfx.c b/source/gfx.c
index c43be37..b984027 100644
--- a/source/gfx.c
+++ b/source/gfx.c
@@ -276,7 +276,7 @@ static int gfx_text(lua_State *L) {
 	if (font->font == NULL) luaL_error(L, "The font object was unloaded");
 
 	// Wide caracters support. (wchar = UTF32 on 3DS.)
-	wchar_t wtext[len];
+	wchar_t wtext[len+1];
 	len = mbstowcs(wtext, text, len);
 	*(wtext+len) = 0x0; // text end
 
@@ -316,7 +316,7 @@ static int gfx_wrappedText(lua_State *L) {
 
 	// Wide caracters support. (wchar = UTF32 on 3DS.)
 	// Disabled as sftd_draw_wtext_wrap() doesn't exist.
-	/*wchar_t wtext[len];
+	/*wchar_t wtext[len+1];
 	len = mbstowcs(wtext, text, len);
 	*(wtext+len) = 0x0; // text end */