1 files changed, 4 insertions, 4 deletions

diff --git a/src/solvers/h48/solve.h b/src/solvers/h48/solve.h
index c2dce91..3948b15 100644
--- a/src/solvers/h48/solve.h
+++ b/src/solvers/h48/solve.h
@@ -8,8 +8,8 @@ typedef struct {
         int64_t maxsolutions;
         uint8_t h;
         uint8_t k;
-        uint32_t *cocsepdata;
-        uint8_t *h48data;
+        const uint32_t *cocsepdata;
+        const uint8_t *h48data;
         char **nextsol;
         uint8_t nissbranch;
         int8_t npremoves;
@@ -183,8 +183,8 @@ solve_h48(
                 .maxsolutions = maxsolutions,
                 .h = info.h48h,
                 .k = info.bits,
-                .cocsepdata = get_cocsepdata_ptr(data),
-                .h48data = get_h48data_ptr(data),
+                .cocsepdata = get_cocsepdata_constptr(data),
+                .h48data = get_h48data_constptr(data),
                 .nextsol = &solutions
         };