diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index 8e4f251..e1ad507 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -149,7 +149,7 @@
     if( *olen > osize )
         return( MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE );
 
-    return( mbedtls_rsa_pkcs1_encrypt( rsa, f_rng, p_rng, MBEDTLS_RSA_PUBLIC,
+    return( mbedtls_rsa_pkcs1_encrypt( rsa, f_rng, p_rng,
                                        ilen, input, output ) );
 }