diff --git a/src/jtag/drivers/cmsis_dap.c b/src/jtag/drivers/cmsis_dap.c
index 63407be42..eaa65abc6 100644
--- a/src/jtag/drivers/cmsis_dap.c
+++ b/src/jtag/drivers/cmsis_dap.c
@@ -1405,18 +1405,18 @@ static void debug_parse_cmsis_buf(const uint8_t *cmd, int cmdlen)
 	for (int i = 0; i < cmdlen; ++i)
 		printf(" %02x", cmd[i]);
 	printf("\n");
-	switch (cmd[1]) {
+	switch (cmd[0]) {
 		case CMD_DAP_JTAG_SEQ: {
-			printf("cmsis-dap jtag sequence command %02x (n=%d)\n", cmd[1], cmd[2]);
+			printf("cmsis-dap jtag sequence command %02x (n=%d)\n", cmd[0], cmd[1]);
 			/*
-			 * #2 = number of sequences
-			 * #3 = sequence info 1
-			 * #4...4+n_bytes-1 = sequence 1
+			 * #1 = number of sequences
+			 * #2 = sequence info 1
+			 * #3...4+n_bytes-1 = sequence 1
 			 * #4+n_bytes = sequence info 2
 			 * #5+n_bytes = sequence 2 (single bit)
 			 */
-			int pos = 3;
-			for (int seq = 0; seq < cmd[2]; ++seq) {
+			int pos = 2;
+			for (int seq = 0; seq < cmd[1]; ++seq) {
 				uint8_t info = cmd[pos++];
 				int len = info & DAP_JTAG_SEQ_TCK;
 				if (len == 0)