diff --git a/include/mbedtls/platform_util.h b/include/mbedtls/platform_util.h
index 66a8221..e62a3af 100644
--- a/include/mbedtls/platform_util.h
+++ b/include/mbedtls/platform_util.h
@@ -31,10 +31,9 @@
 #include MBEDTLS_CONFIG_FILE
 #endif
 
-#include "mbedtls/platform_time.h"
-
 #include <stddef.h>
 #if defined(MBEDTLS_HAVE_TIME_DATE)
+#include "mbedtls/platform_time.h"
 #include <time.h>
 #endif /* MBEDTLS_HAVE_TIME_DATE */