diff --git a/library/rsa.c b/library/rsa.c
index d69456b04..677280f65 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -764,7 +764,10 @@ static int rsa_prepare_blinding( mbedtls_rsa_context *ctx,
     /* Unblinding value: Vf = random number, invertible mod N */
     do {
         if( count++ > 10 )
-            return( MBEDTLS_ERR_RSA_RNG_FAILED );
+        {
+            ret = MBEDTLS_ERR_RSA_RNG_FAILED;
+            goto cleanup;
+        }
 
         MBEDTLS_MPI_CHK( mbedtls_mpi_fill_random( &ctx->Vf, ctx->len - 1, f_rng, p_rng ) );