diff --git a/library/bignum.c b/library/bignum.c
index 78f6149a68..22e22aa076 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1694,8 +1694,7 @@ int mbedtls_mpi_exp_mod(mbedtls_mpi *X, const mbedtls_mpi *A,
      */
     mbedtls_mpi_uint mm = mbedtls_mpi_core_montmul_init(N->p);
     mbedtls_mpi_core_to_mont_rep(X->p, X->p, N->p, N->n, mm, RR.p, T);
-    mbedtls_mpi_core_exp_mod(X->p, X->p, N->p, N->n, E->p, E->n, RR.p,
-                             T);
+    mbedtls_mpi_core_exp_mod(X->p, X->p, N->p, N->n, E->p, E->n, RR.p, T);
     mbedtls_mpi_core_from_mont_rep(X->p, X->p, N->p, N->n, mm, T);
 
     /*