diff --git a/src/tetra_mac_pdu.c b/src/tetra_mac_pdu.c
index 70b5ec9..ec31e4f 100644
--- a/src/tetra_mac_pdu.c
+++ b/src/tetra_mac_pdu.c
@@ -41,19 +41,19 @@ static void decode_d_mle_sysinfo(struct tetra_mle_si_decoded *msid, const uint8_
 
 void macpdu_decode_sysinfo(struct tetra_si_decoded *sid, const uint8_t *si_bits)
 {
-	const uint8_t *cur = si_bits + 4;
+	const uint8_t *cur     = si_bits + 4;
 
-	sid->main_carrier = bits_to_uint(cur, 12); cur += 12;
-	sid->freq_band = bits_to_uint(cur, 4); cur += 4;
-	sid->freq_offset = bits_to_uint(cur, 2); cur += 2;
-	sid->duplex_spacing = bits_to_uint(cur, 3); cur += 3;
+	sid->main_carrier      = bits_to_uint(cur, 12); cur += 12;
+	sid->freq_band         = bits_to_uint(cur,  4); cur +=  4;
+	sid->freq_offset       = bits_to_uint(cur,  2); cur +=  2;
+	sid->duplex_spacing    = bits_to_uint(cur,  3); cur +=  3;
 	sid->reverse_operation = *cur++;
-	sid->num_of_csch = bits_to_uint(cur, 2); cur +=2;
-	sid->ms_txpwr_max_cell = bits_to_uint(cur, 3); cur += 3;
-	sid->rxlev_access_min = bits_to_uint(cur, 4); cur += 4;
-	sid->access_parameter = bits_to_uint(cur, 4); cur += 4;
-	sid->radio_dl_timeout = bits_to_uint(cur, 4); cur += 4;
-	sid->cck_valid_no_hf = *cur++;
+	sid->num_of_csch       = bits_to_uint(cur,  2); cur +=  2;
+	sid->ms_txpwr_max_cell = bits_to_uint(cur,  3); cur +=  3;
+	sid->rxlev_access_min  = bits_to_uint(cur,  4); cur +=  4;
+	sid->access_parameter  = bits_to_uint(cur,  4); cur +=  4;
+	sid->radio_dl_timeout  = bits_to_uint(cur,  4); cur +=  4;
+	sid->cck_valid_no_hf   = *cur++;
 	if (sid->cck_valid_no_hf)
 		sid->cck_id = bits_to_uint(cur, 16);
 	else