diff --git a/src/rds.c b/src/rds.c
index 2fa5f02..e1d674f 100644
--- a/src/rds.c
+++ b/src/rds.c
@@ -210,7 +210,7 @@ static void get_rds_ps_group(RDSEncoder* enc, uint16_t *blocks) {
 				}
 			} else {
 				if(enc->data[enc->program].dps1_len > PS_LENGTH) {
-					uint8_t scroll_threshold = (enc->data[enc->program].dps_speed == 0) ? 32 : 24;
+					uint8_t scroll_threshold = (enc->data[enc->program].dps_speed == 0) ? 8 : 6;
 
 					if(enc->state[enc->program].dynamic_ps_scroll_counter >= scroll_threshold) {
 						switch(enc->data[enc->program].dps1_mode) {
@@ -602,7 +602,6 @@ void set_rds_defaults(RDSEncoder* enc, uint8_t program) {
 	enc->data[program].rt1_enabled = 1;
 
 	memset(enc->data[program].rt1, ' ', 64);
-	enc->data[program].rt1[0] = '\r';
 
 	enc->data[program].static_ps_period = 10;
 	enc->data[program].dps_label_period = 8;