diff --git a/ChangeLog b/ChangeLog
index 4e2d97b..23f7762 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -19,6 +19,8 @@
      Gergely Budai).
    * Fix #include path in ecdsa.h which wasn't accepted by some compilers.
      (found by Gergely Budai)
+   * Fix compile errors when POLARSSL_ERROR_STRERROR_BC is undefined (found by
+     Shuo Chen).
 
 = PolarSSL 1.3.5 released on 2014-03-26
 Features
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index 83aa9a3..665ff23 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -645,7 +645,7 @@
  * Do not add default entropy sources. These are the platform specific,
  * hardclock and HAVEGE based poll functions.
  *
- * This is useful to have more control over the added entropy sources in an 
+ * This is useful to have more control over the added entropy sources in an
  * application.
  *
  * Uncomment this macro to prevent loading of default entropy functions.
@@ -1366,7 +1366,7 @@
  * Module:  library/error.c
  * Caller:
  *
- * This module enables err_strerror().
+ * This module enables polarssl_strerror().
  */
 #define POLARSSL_ERROR_C
 
diff --git a/programs/util/pem2der.c b/programs/util/pem2der.c
index f1da438..a755694 100644
--- a/programs/util/pem2der.c
+++ b/programs/util/pem2der.c
@@ -220,7 +220,7 @@
     if( ret != 0 )
     {
 #ifdef POLARSSL_ERROR_C
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
 #endif
         printf( " failed\n  !  load_file returned %d - %s\n\n", ret, buf );
         goto exit;
@@ -237,7 +237,7 @@
     if( ( ret = convert_pem_to_der( pem_buffer, pem_size, der_buffer, &der_size ) ) != 0 )
     {
 #ifdef POLARSSL_ERROR_C
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
 #endif
         printf( " failed\n  !  convert_pem_to_der %d - %s\n\n", ret, buf );
         goto exit;
@@ -256,7 +256,7 @@
     if( ret != 0 )
     {
 #ifdef POLARSSL_ERROR_C
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
 #endif
         printf( " failed\n  !  write_file returned %d - %s\n\n", ret, buf );
         goto exit;
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index a2f2656..952d17c 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -367,7 +367,7 @@
                                (const unsigned char *) pers,
                                strlen( pers ) ) ) != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  ctr_drbg_init returned %d - %s\n", ret, buf );
         goto exit;
     }
@@ -381,7 +381,7 @@
 
     if( ( ret = mpi_read_string( &serial, 10, opt.serial ) ) != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  mpi_read_string returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -400,7 +400,7 @@
 
         if( ( ret = x509_crt_parse_file( &issuer_crt, opt.issuer_crt ) ) != 0 )
         {
-            error_strerror( ret, buf, 1024 );
+            polarssl_strerror( ret, buf, 1024 );
             printf( " failed\n  !  x509_crt_parse_file returned -0x%02x - %s\n\n", -ret, buf );
             goto exit;
         }
@@ -409,7 +409,7 @@
                                  &issuer_crt.issuer );
         if( ret < 0 )
         {
-            error_strerror( ret, buf, 1024 );
+            polarssl_strerror( ret, buf, 1024 );
             printf( " failed\n  !  x509_dn_gets returned -0x%02x - %s\n\n", -ret, buf );
             goto exit;
         }
@@ -432,7 +432,7 @@
 
         if( ( ret = x509_csr_parse_file( &csr, opt.request_file ) ) != 0 )
         {
-            error_strerror( ret, buf, 1024 );
+            polarssl_strerror( ret, buf, 1024 );
             printf( " failed\n  !  x509_csr_parse_file returned -0x%02x - %s\n\n", -ret, buf );
             goto exit;
         }
@@ -441,7 +441,7 @@
                                  &csr.subject );
         if( ret < 0 )
         {
-            error_strerror( ret, buf, 1024 );
+            polarssl_strerror( ret, buf, 1024 );
             printf( " failed\n  !  x509_dn_gets returned -0x%02x - %s\n\n", -ret, buf );
             goto exit;
         }
@@ -465,7 +465,7 @@
                                  opt.subject_pwd );
         if( ret != 0 )
         {
-            error_strerror( ret, buf, 1024 );
+            polarssl_strerror( ret, buf, 1024 );
             printf( " failed\n  !  pk_parse_keyfile returned -0x%02x - %s\n\n", -ret, buf );
             goto exit;
         }
@@ -480,7 +480,7 @@
                              opt.issuer_pwd );
     if( ret != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  pk_parse_keyfile returned -x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -517,14 +517,14 @@
      */
     if( ( ret = x509write_crt_set_subject_name( &crt, opt.subject_name ) ) != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_crt_set_subject_name returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
 
     if( ( ret = x509write_crt_set_issuer_name( &crt, opt.issuer_name ) ) != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_crt_set_issuer_name returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -535,7 +535,7 @@
     ret = x509write_crt_set_serial( &crt, &serial );
     if( ret != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_crt_set_serial returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -543,7 +543,7 @@
     ret = x509write_crt_set_validity( &crt, opt.not_before, opt.not_after );
     if( ret != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_crt_set_validity returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -557,7 +557,7 @@
                                                opt.max_pathlen );
     if( ret != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_crt_set_basic_contraints returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -571,7 +571,7 @@
     ret = x509write_crt_set_subject_key_identifier( &crt );
     if( ret != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_crt_set_subject_key_identifier returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -584,7 +584,7 @@
     ret = x509write_crt_set_authority_key_identifier( &crt );
     if( ret != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  x509write_crt_set_authority_key_identifier returned -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }
@@ -600,7 +600,7 @@
         ret = x509write_crt_set_key_usage( &crt, opt.key_usage );
         if( ret != 0 )
         {
-            error_strerror( ret, buf, 1024 );
+            polarssl_strerror( ret, buf, 1024 );
             printf( " failed\n  !  x509write_crt_set_key_usage returned -0x%02x - %s\n\n", -ret, buf );
             goto exit;
         }
@@ -616,7 +616,7 @@
         ret = x509write_crt_set_ns_cert_type( &crt, opt.ns_cert_type );
         if( ret != 0 )
         {
-            error_strerror( ret, buf, 1024 );
+            polarssl_strerror( ret, buf, 1024 );
             printf( " failed\n  !  x509write_crt_set_ns_cert_type returned -0x%02x - %s\n\n", -ret, buf );
             goto exit;
         }
@@ -633,7 +633,7 @@
     if( ( ret = write_certificate( &crt, opt.output_file,
                                    ctr_drbg_random, &ctr_drbg ) ) != 0 )
     {
-        error_strerror( ret, buf, 1024 );
+        polarssl_strerror( ret, buf, 1024 );
         printf( " failed\n  !  write_certifcate -0x%02x - %s\n\n", -ret, buf );
         goto exit;
     }