diff --git a/programs/test/ssl_test.c b/programs/test/ssl_test.c
index 63c3220..8ecd9c1 100644
--- a/programs/test/ssl_test.c
+++ b/programs/test/ssl_test.c
@@ -295,8 +295,8 @@
         }
     }
 
-     read_buf = (unsigned char *) polarssl_malloc( opt->buffer_size );
-    write_buf = (unsigned char *) polarssl_malloc( opt->buffer_size );
+     read_buf = polarssl_malloc( opt->buffer_size );
+    write_buf = polarssl_malloc( opt->buffer_size );
 
     if( read_buf == NULL || write_buf == NULL )
     {