diff --git a/cipher/ecc-ecdsa.c b/cipher/ecc-ecdsa.c
index 34f2903b..d91922d0 100644
--- a/cipher/ecc-ecdsa.c
+++ b/cipher/ecc-ecdsa.c
@@ -85,10 +85,10 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input, gcry_mpi_t k_supplied, mpi_ec_t ec,
   while (!mpi_invm (bi, b, ec->n));
 
   k = NULL;
-  dr = mpi_alloc (0);
-  sum = mpi_alloc (0);
-  k_1 = mpi_alloc (0);
-  x = mpi_alloc (0);
+  dr = mpi_new (ec->nbits);
+  sum = mpi_new (ec->nbits);
+  k_1 = mpi_new (ec->nbits);
+  x = mpi_new (ec->nbits);
   point_init (&I, ec->nbits);
 
   /* Two loops to avoid R or S are zero.  This is more of a joke than
@@ -264,10 +264,10 @@ _gcry_ecc_ecdsa_verify (gcry_mpi_t input, mpi_ec_t ec,
       return err;
     }
 
-  h  = mpi_alloc (0);
-  h1 = mpi_alloc (0);
-  h2 = mpi_alloc (0);
-  x = mpi_alloc (0);
+  h  = mpi_new (ec->nbits);
+  h1 = mpi_new (ec->nbits);
+  h2 = mpi_new (ec->nbits);
+  x = mpi_new (ec->nbits);
   point_init (&Q, ec->nbits);
   point_init (&Q1, ec->nbits);
   point_init (&Q2, ec->nbits);
diff --git a/cipher/ecc-gost.c b/cipher/ecc-gost.c
index 179660fa..455d529e 100644
--- a/cipher/ecc-gost.c
+++ b/cipher/ecc-gost.c
@@ -58,11 +58,11 @@ _gcry_ecc_gost_sign (gcry_mpi_t input, mpi_ec_t ec,
     return rc;
 
   k = NULL;
-  dr = mpi_alloc (0);
-  sum = mpi_alloc (0);
-  ke = mpi_alloc (0);
-  e = mpi_alloc (0);
-  x = mpi_alloc (0);
+  dr = mpi_new (ec->nbits);
+  sum = mpi_new (ec->nbits);
+  ke = mpi_new (ec->nbits);
+  e = mpi_new (ec->nbits);
+  x = mpi_new (ec->nbits);
   point_init (&I, ec->nbits);
 
   mpi_mod (e, input, ec->n); /* e = hash mod n */
@@ -140,13 +140,13 @@ _gcry_ecc_gost_verify (gcry_mpi_t input, mpi_ec_t ec,
   if( !(mpi_cmp_ui (s, 0) > 0 && mpi_cmp (s, ec->n) < 0) )
     return GPG_ERR_BAD_SIGNATURE; /* Assertion	0 < s < n  failed.  */
 
-  x = mpi_alloc (0);
-  e = mpi_alloc (0);
-  z1 = mpi_alloc (0);
-  z2 = mpi_alloc (0);
-  v = mpi_alloc (0);
-  rv = mpi_alloc (0);
-  zero = mpi_alloc (0);
+  x = mpi_new (ec->nbits);
+  e = mpi_new (ec->nbits);
+  z1 = mpi_new (ec->nbits);
+  z2 = mpi_new (ec->nbits);
+  v = mpi_new (ec->nbits);
+  rv = mpi_new (ec->nbits);
+  zero = mpi_new (ec->nbits);
 
   point_init (&Q, ec->nbits);
   point_init (&Q1, ec->nbits);
diff --git a/mpi/ec.c b/mpi/ec.c
index 1ab45594..6f6a7f8d 100644
--- a/mpi/ec.c
+++ b/mpi/ec.c
@@ -827,7 +827,7 @@ ec_get_two_inv_p (mpi_ec_t ec)
     {
       ec->t.valid.two_inv_p = 1;
       if (!ec->t.two_inv_p)
-        ec->t.two_inv_p = mpi_alloc (0);
+        ec->t.two_inv_p = mpi_new (ec->nbits);
       ec_invm (ec->t.two_inv_p, mpi_const (MPI_C_TWO), ec);
     }
   return ec->t.two_inv_p;