diff --git a/src/rds.c b/src/rds.c
index 503fd7f..844e23d 100644
--- a/src/rds.c
+++ b/src/rds.c
@@ -359,7 +359,7 @@ static void get_rds_group(uint16_t *blocks) {
 			goto group_coded;
 		// TODO: Add EON
 		case 'X':
-			for(int i = 0; i < 3; i++) blocks[i] = rds_data.udg1[rds_state.udg_idxs[0]++][i];;
+			for(int i = 0; i < 3; i++) blocks[i+1] = rds_data.udg1[rds_state.udg_idxs[0]++][i];;
 			if(rds_state.udg_idxs[0] == rds_data.udg1_len) rds_state.udg_idxs[0] = 0;
 			goto group_coded;
 		case 'Y':