diff --git a/src/jtag/drivers/esp_usb_jtag.c b/src/jtag/drivers/esp_usb_jtag.c
index 65293ee37..dd96f4b39 100644
--- a/src/jtag/drivers/esp_usb_jtag.c
+++ b/src/jtag/drivers/esp_usb_jtag.c
@@ -16,8 +16,6 @@
 #include "bitq.h"
 #include "libusb_helper.h"
 
-#define __packed __attribute__((packed))
-
 /*
 Holy Crap, it's protocol documentation, and it's even vendor-provided!
 
@@ -110,7 +108,7 @@ descriptor.
 struct jtag_proto_caps_hdr {
 	uint8_t proto_ver;	/* Protocol version. Expects JTAG_PROTO_CAPS_VER for now. */
 	uint8_t length;	/* of this plus any following descriptors */
-} __packed;
+} __attribute__((packed));
 
 /* start of the descriptor headers */
 #define JTAG_BUILTIN_DESCR_START_OFF            0	/* Devices with builtin usb jtag */
@@ -133,7 +131,7 @@ of caps header to assume this. If no such caps exist, assume a minimum (in) buff
 struct jtag_gen_hdr {
 	uint8_t type;
 	uint8_t length;
-} __packed;
+} __attribute__((packed));
 
 struct jtag_proto_caps_speed_apb {
 	uint8_t type;					/* Type, always JTAG_PROTO_CAPS_SPEED_APB_TYPE */
@@ -141,7 +139,7 @@ struct jtag_proto_caps_speed_apb {
 	uint8_t apb_speed_10khz[2];		/* ABP bus speed, in 10KHz increments. Base speed is half this. */
 	uint8_t div_min[2];				/* minimum divisor (to base speed), inclusive */
 	uint8_t div_max[2];				/* maximum divisor (to base speed), inclusive */
-} __packed;
+} __attribute__((packed));
 
 #define JTAG_PROTO_CAPS_DATA_LEN                255
 #define JTAG_PROTO_CAPS_SPEED_APB_TYPE          1