diff --git a/library/ssl_cache.c b/library/ssl_cache.c
index 711bc53..01c66ae 100644
--- a/library/ssl_cache.c
+++ b/library/ssl_cache.c
@@ -31,18 +31,20 @@
 
 #if defined(MBEDTLS_SSL_CACHE_C)
 
-#include "mbedtls/ssl_cache.h"
-
-#include <string.h>
-
 #if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
 #else
 #include <stdlib.h>
 #define mbedtls_calloc    calloc
-#define mbedtls_free       free
+#define mbedtls_free      free
+#define mbedtls_time      time
+#define mbedtls_time_t    time_t
 #endif
 
+#include "mbedtls/ssl_cache.h"
+
+#include <string.h>
+
 void mbedtls_ssl_cache_init( mbedtls_ssl_cache_context *cache )
 {
     memset( cache, 0, sizeof( mbedtls_ssl_cache_context ) );
@@ -59,7 +61,7 @@
 {
     int ret = 1;
 #if defined(MBEDTLS_HAVE_TIME)
-    time_t t = time( NULL );
+    mbedtls_time_t t = mbedtls_time( NULL );
 #endif
     mbedtls_ssl_cache_context *cache = (mbedtls_ssl_cache_context *) data;
     mbedtls_ssl_cache_entry *cur, *entry;
@@ -138,7 +140,7 @@
 {
     int ret = 1;
 #if defined(MBEDTLS_HAVE_TIME)
-    time_t t = time( NULL ), oldest = 0;
+    mbedtls_time_t t = time( NULL ), oldest = 0;
     mbedtls_ssl_cache_entry *old = NULL;
 #endif
     mbedtls_ssl_cache_context *cache = (mbedtls_ssl_cache_context *) data;