1 files changed, 3 insertions, 2 deletions

diff --git a/lib/mpi/mpi-bit.c b/lib/mpi/mpi-bit.c
index 2f526627e4f5..0c505361da19 100644
--- a/lib/mpi/mpi-bit.c
+++ b/lib/mpi/mpi-bit.c
@@ -177,8 +177,8 @@ int mpi_rshift(MPI x, MPI a, unsigned n)
  */
 int mpi_lshift_limbs(MPI a, unsigned int count)
 {
-        mpi_ptr_t ap = a->d;
-        int n = a->nlimbs;
+        const int n = a->nlimbs;
+        mpi_ptr_t ap;
         int i;
 
         if (!count || !n)
@@ -187,6 +187,7 @@ int mpi_lshift_limbs(MPI a, unsigned int count)
         if (RESIZE_IF_NEEDED(a, n + count) < 0)
                 return -ENOMEM;
 
+        ap = a->d;
         for (i = n - 1; i >= 0; i--)
                 ap[i + count] = ap[i];
         for (i = 0; i < count; i++)