diff --git a/library/camellia.c b/library/camellia.c
index 58ae1a8..77a731b 100644
--- a/library/camellia.c
+++ b/library/camellia.c
@@ -951,7 +951,7 @@
 
     mbedtls_camellia_context ctx;
 
-    mbedtls_platform_memset( key, 0, 32 );
+    memset( key, 0, 32 );
 
     for( j = 0; j < 6; j++ ) {
         u = j >> 1;