diff --git a/jtag3.c b/jtag3.c
index 8523d0c9..163053d9 100644
--- a/jtag3.c
+++ b/jtag3.c
@@ -271,6 +271,10 @@ static void jtag3_prmsg(PROGRAMMER * pgm, unsigned char * data, size_t len)
 	  case RSP3_FAIL_WRONG_LENGTH:
 	    strcpy(reason, "wrong length in memory access");
 	    break;
+
+	  case RSP3_FAIL_DEBUGWIRE:
+	    strcpy(reason, "debugWIRE communication failed");
+	    break;
 	}
 	fprintf(stderr, ", reason: %s\n", reason);
       }
diff --git a/jtag3_private.h b/jtag3_private.h
index 6fa4a357..bd094688 100644
--- a/jtag3_private.h
+++ b/jtag3_private.h
@@ -134,6 +134,7 @@
 #define RSP3_STATUS_MASK           0xE0
 
 /* possible failure codes that could be appended to RSP3_FAILED: */
+#  define RSP3_FAIL_DEBUGWIRE           0x10
 #  define RSP3_FAIL_PDI                 0x1B
 #  define RSP3_FAIL_NO_ANSWER           0x20
 #  define RSP3_FAIL_NO_TARGET_POWER     0x22