diff --git a/library/version.c b/library/version.c
index c3af429..4e881f0 100644
--- a/library/version.c
+++ b/library/version.c
@@ -20,32 +20,32 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#if !defined(POLARSSL_CONFIG_FILE)
+#if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"
 #else
-#include POLARSSL_CONFIG_FILE
+#include MBEDTLS_CONFIG_FILE
 #endif
 
-#if defined(POLARSSL_VERSION_C)
+#if defined(MBEDTLS_VERSION_C)
 
 #include "mbedtls/version.h"
 #include <string.h>
 
-unsigned int version_get_number()
+unsigned int mbedtls_version_get_number()
 {
-    return( POLARSSL_VERSION_NUMBER );
+    return( MBEDTLS_VERSION_NUMBER );
 }
 
-void version_get_string( char *string )
+void mbedtls_version_get_string( char *string )
 {
-    memcpy( string, POLARSSL_VERSION_STRING,
-            sizeof( POLARSSL_VERSION_STRING ) );
+    memcpy( string, MBEDTLS_VERSION_STRING,
+            sizeof( MBEDTLS_VERSION_STRING ) );
 }
 
-void version_get_string_full( char *string )
+void mbedtls_version_get_string_full( char *string )
 {
-    memcpy( string, POLARSSL_VERSION_STRING_FULL,
-            sizeof( POLARSSL_VERSION_STRING_FULL ) );
+    memcpy( string, MBEDTLS_VERSION_STRING_FULL,
+            sizeof( MBEDTLS_VERSION_STRING_FULL ) );
 }
 
-#endif /* POLARSSL_VERSION_C */
+#endif /* MBEDTLS_VERSION_C */