diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index 20a245a..06bb1c9 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -100,6 +100,7 @@
  * ECP       4   10 (Started from top)
  * MD        5   5
  * HKDF      5   1 (Started from top)
+ * SSL       5   1 (Started from 0x5F00)
  * CIPHER    6   8 (Started from 0x6080)
  * SSL       6   24 (Started from top, plus 0x6000)
  * SSL       7   32
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index ed7d7ee..35e9936 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -127,6 +127,7 @@
 #define MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS                 -0x6500  /**< The asynchronous operation is not completed yet. */
 #define MBEDTLS_ERR_SSL_EARLY_MESSAGE                     -0x6480  /**< Internal-only message signaling that a message arrived early. */
 #define MBEDTLS_ERR_SSL_UNEXPECTED_CID                    -0x6000  /**< An encrypted DTLS-frame with an unexpected CID was received. */
+#define MBEDTLS_ERR_SSL_VERSION_MISMATCH                  -0x5F00  /**< An operation failed due to an unexpected version or configuration. */
 #define MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS                -0x7000  /**< A cryptographic operation is in progress. Try again later. */
 
 /*
@@ -2382,6 +2383,9 @@
  * \return         \c 0 if successful.
  * \return         #MBEDTLS_ERR_SSL_ALLOC_FAILED if memory allocation failed.
  * \return         #MBEDTLS_ERR_SSL_BAD_INPUT_DATA if input data is invalid.
+ * \return         #MBEDTLS_ERR_SSL_VERSION_MISMATCH if the serialized data
+ *                 was generated in a different version or configuration of
+ *                 Mbed TLS.
  * \return         Another negative value for other kinds of errors (for
  *                 example, unsupported features in the embedded certificate).
  */
diff --git a/library/error.c b/library/error.c
index e401a84..23a0f97 100644
--- a/library/error.c
+++ b/library/error.c
@@ -525,6 +525,8 @@
             mbedtls_snprintf( buf, buflen, "SSL - Internal-only message signaling that a message arrived early" );
         if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_CID) )
             mbedtls_snprintf( buf, buflen, "SSL - An encrypted DTLS-frame with an unexpected CID was received" );
+        if( use_ret == -(MBEDTLS_ERR_SSL_VERSION_MISMATCH) )
+            mbedtls_snprintf( buf, buflen, "SSL - An operation failed due to an unexpected version or configuration" );
         if( use_ret == -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) )
             mbedtls_snprintf( buf, buflen, "SSL - A cryptographic operation is in progress. Try again later" );
 #endif /* MBEDTLS_SSL_TLS_C */
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 3a33ab4..b75ee32 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -10184,8 +10184,7 @@
     if( memcmp( p, ssl_serialized_session_header,
                 sizeof( ssl_serialized_session_header ) ) != 0 )
     {
-        /* A more specific error code might be used here. */
-        return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_SSL_VERSION_MISMATCH );
     }
     p += sizeof( ssl_serialized_session_header );
 
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index 018322b..2fa716b 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -975,7 +975,7 @@
             TEST_ASSERT( mbedtls_ssl_session_load( &session,
                                                    serialized_session,
                                                    serialized_session_len ) ==
-                         MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+                         MBEDTLS_ERR_SSL_VERSION_MISMATCH );
 
             /* Undo the change */
             *byte ^= corrupted_bit;