diff --git a/src/lua_api.c b/src/lua_api.c
index 13dd4cf..c2fcca9 100644
--- a/src/lua_api.c
+++ b/src/lua_api.c
@@ -95,6 +95,13 @@ int lua_set_rds_##name(lua_State *localL) { \
     function(enc, str, writing_program); \
     return 0; \
 }
+#define STR_RAW_SETTER_LEN(name, function) \
+int lua_set_rds_##name(lua_State *localL) { \
+    size_t len \
+	const char* str = luaL_checklstring(localL, 1, &len); \
+    function(enc, str, len, writing_program); \
+    return 0; \
+}
 #define AF_SETTER(name, af_field, af_struct, add_func) \
 int lua_set_rds_##name(lua_State *localL) { \
     luaL_checktype(localL, 1, LUA_TTABLE); \
diff --git a/src/rds.c b/src/rds.c
index 6c24988..ee74eac 100644
--- a/src/rds.c
+++ b/src/rds.c
@@ -224,7 +224,6 @@ void reset_rds_state(RDSEncoder* enc, uint8_t program) {
 	set_rds_tps(&tempCoder, enc->data[program].tps, program);
 	set_rds_lps(&tempCoder, enc->data[program].lps, program);
 	set_rds_ptyn(&tempCoder, enc->data[program].ptyn, program);
-	set_rds_grpseq(&tempCoder, enc->data[program].grp_sqc, program);
 
 	struct tm *utc;
 	time_t now;
diff --git a/src/rds.h b/src/rds.h
index b13fbb4..6fd9ba6 100644
--- a/src/rds.h
+++ b/src/rds.h
@@ -166,4 +166,4 @@ void set_rds_ps(RDSEncoder* enc, const char *ps, uint8_t program);
 void set_rds_tps(RDSEncoder* enc, const char *tps, uint8_t program);
 void set_rds_lps(RDSEncoder* enc, const char *lps, uint8_t program);
 void set_rds_ptyn(RDSEncoder *enc, const char *ptyn, uint8_t program);
-void set_rds_grpseq(RDSEncoder* enc, const char *grpseq, uint8_t program);
+void set_rds_grpseq(RDSEncoder* enc, const char *grpseq, size_t size, uint8_t program);