diff --git a/src/target/armv7a.h b/src/target/armv7a.h
index d92e5bca0..12b66254e 100644
--- a/src/target/armv7a.h
+++ b/src/target/armv7a.h
@@ -148,7 +148,7 @@ static inline int armv7a_mode_to_number(enum armv7a_mode mode)
 		case ARMV7A_MODE_MON: return 7; break;
 		case ARMV7A_MODE_ANY: return 0; break;	/* map MODE_ANY to user mode */
 		default:
-			LOG_ERROR("invalid mode value encountered");
+			LOG_ERROR("invalid mode value encountered, val %d", mode);
 			return -1;
 	}
 }