diff --git a/src/cansdo.cpp b/src/cansdo.cpp
index 8e55263..79431d0 100644
--- a/src/cansdo.cpp
+++ b/src/cansdo.cpp
@@ -29,8 +29,8 @@
 #define SDO_INDEX_MAP_RX      0x3001
 #define SDO_INDEX_MAP_RD      0x3100
 #define SDO_INDEX_STRINGS     0x5001
-#define SDO_INDEX_ERROR_NUM   0x5002
-#define SDO_INDEX_ERROR_TIME  0x5003
+#define SDO_INDEX_ERROR_NUM   0x5003
+#define SDO_INDEX_ERROR_TIME  0x5004
 
 
 #define PRINT_BUF_ENQUEUE(c)  printBuffer[(printByteIn++) & (sizeof(printBuffer) - 1)] = c