diff --git a/src/rds.c b/src/rds.c
index 1b0b894..f27556b 100644
--- a/src/rds.c
+++ b/src/rds.c
@@ -237,7 +237,7 @@ 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) ? 8 : 6;
+					uint8_t scroll_threshold = (enc->data[enc->program].dps_speed == 0) ? 6 : 4;
 
 					if(enc->state[enc->program].dynamic_ps_scroll_counter >= scroll_threshold) {
 						switch(enc->data[enc->program].dps1_mode) {
diff --git a/src/rds.h b/src/rds.h
index 82ad73c..c975151 100644
--- a/src/rds.h
+++ b/src/rds.h
@@ -158,11 +158,11 @@ typedef struct {
 	char dps1_text[DPS_LENGTH];
 	char dps1_nexttext[127];
 	char dps2_text[DPS_LENGTH];
-	uint8_t dps1_repeat_count : 7;
-	uint8_t dps2_repeat_count : 7;
-	uint8_t static_ps_period : 4;
-	uint8_t dynamic_ps_period : 4;
-	uint8_t dynamic_ps_position : 4;
+	uint8_t dps1_repeat_count;
+	uint8_t dps2_repeat_count;
+	uint8_t static_ps_period;
+	uint8_t dynamic_ps_period;
+	uint8_t dynamic_ps_position;
 	uint8_t dynamic_ps_state : 2;
 	uint8_t dynamic_ps_scroll_counter : 7;