diff --git a/library/camellia.c b/library/camellia.c
index 72d902b..f765f1b 100644
--- a/library/camellia.c
+++ b/library/camellia.c
@@ -36,8 +36,9 @@
 
 #include "polarssl/camellia.h"
 
-#if defined(POLARSSL_SELF_TEST)
 #include <string.h>
+
+#if defined(POLARSSL_SELF_TEST)
 #if defined(POLARSSL_PLATFORM_C)
 #include "polarssl/platform.h"
 #else