diff --git a/src/sage/libs/eclib/wrap.cpp b/src/sage/libs/eclib/wrap.cpp
index 5fd5693b53..d12468faa8 100644
--- a/src/sage/libs/eclib/wrap.cpp
+++ b/src/sage/libs/eclib/wrap.cpp
@@ -133,8 +133,8 @@ char* Curvedata_isogeny_class(struct Curvedata* E, int verbose)
 
 
 int mw_process(struct Curvedata* curve, struct mw* m,
-                      const struct bigint* x, const struct bigint* y,
-                      const struct bigint* z, int sat)
+                      const bigint* x, const bigint* y,
+                      const bigint* z, int sat)
 {
   Point P(*curve, *x, *y, *z);
   if (!P.isvalid())
@@ -188,7 +188,7 @@ int mw_rank(struct mw* m)
 }
 
 /* Returns index and unsat long array, which user must deallocate */
-int mw_saturate(struct mw* m, struct bigint* index, char** unsat,
+int mw_saturate(struct mw* m, bigint* index, char** unsat,
                        long sat_bd, int odd_primes_only)
 {
   vector<long> v;