diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index 0c38889..851be1b 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -76,7 +76,7 @@
  * RIPEMD160 1                  0x0031-0x0031
  * SHA1      1                  0x0035-0x0035
  * SHA256    1                  0x0037-0x0037
- * SHA512    1                  0x0039-0x0039
+ * SHA512    1                  0x0039-0x0039 0x0075-0x0075
  * CHACHA20  3                  0x0051-0x0055
  * POLY1305  3                  0x0057-0x005B
  * CHACHAPOLY 2 0x0054-0x0056
diff --git a/include/mbedtls/sha512.h b/include/mbedtls/sha512.h
index 020f95d..257e8d4 100644
--- a/include/mbedtls/sha512.h
+++ b/include/mbedtls/sha512.h
@@ -37,6 +37,7 @@
 
 /* MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED is deprecated and should not be used. */
 #define MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED                -0x0039  /**< SHA-512 hardware accelerator failed */
+#define MBEDTLS_ERR_SHA512_BAD_INPUT_DATA                 -0x0075  /**< Invalid input data. */
 
 #ifdef __cplusplus
 extern "C" {