diff --git a/src/ecmult_gen_impl.h b/src/ecmult_gen_impl.h
index b63c4d8..35f2546 100644
--- a/src/ecmult_gen_impl.h
+++ b/src/ecmult_gen_impl.h
@@ -77,7 +77,7 @@ static void secp256k1_ecmult_gen_context_build(secp256k1_ecmult_gen_context *ctx
                 secp256k1_gej_add_var(&numsbase, &numsbase, &nums_gej, NULL);
             }
         }
-        secp256k1_ge_set_all_gej_var(1024, prec, precj, cb);
+        secp256k1_ge_set_all_gej_var(prec, precj, 1024, cb);
     }
     for (j = 0; j < 64; j++) {
         for (i = 0; i < 16; i++) {
diff --git a/src/group.h b/src/group.h
index d515716..02a7eba 100644
--- a/src/group.h
+++ b/src/group.h
@@ -65,7 +65,7 @@ static void secp256k1_ge_neg(secp256k1_ge *r, const secp256k1_ge *a);
 static void secp256k1_ge_set_gej(secp256k1_ge *r, secp256k1_gej *a);
 
 /** Set a batch of group elements equal to the inputs given in jacobian coordinates */
-static void secp256k1_ge_set_all_gej_var(size_t len, secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_callback *cb);
+static void secp256k1_ge_set_all_gej_var(secp256k1_ge *r, const secp256k1_gej *a, size_t len, const secp256k1_callback *cb);
 
 /** Set a batch of group elements equal to the inputs given in jacobian
  *  coordinates (with known z-ratios). zr must contain the known z-ratios such
diff --git a/src/group_impl.h b/src/group_impl.h
index 3b579a3..d2c07a9 100644
--- a/src/group_impl.h
+++ b/src/group_impl.h
@@ -76,7 +76,7 @@ static void secp256k1_ge_set_gej_var(secp256k1_ge *r, secp256k1_gej *a) {
     r->y = a->y;
 }
 
-static void secp256k1_ge_set_all_gej_var(size_t len, secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_callback *cb) {
+static void secp256k1_ge_set_all_gej_var(secp256k1_ge *r, const secp256k1_gej *a, size_t len, const secp256k1_callback *cb) {
     secp256k1_fe *az;
     secp256k1_fe *azi;
     size_t i;
diff --git a/src/tests.c b/src/tests.c
index 6425577..7d99bb9 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -2051,7 +2051,7 @@ void test_ge(void) {
             }
         }
         secp256k1_ge_set_table_gej_var(4 * runs + 1, ge_set_table, gej, zr);
-        secp256k1_ge_set_all_gej_var(4 * runs + 1, ge_set_all, gej, &ctx->error_callback);
+        secp256k1_ge_set_all_gej_var(ge_set_all, gej, 4 * runs + 1, &ctx->error_callback);
         for (i = 0; i < 4 * runs + 1; i++) {
             secp256k1_fe s;
             random_fe_non_zero(&s);