1 files changed, 2 insertions, 2 deletions

diff --git a/test/104_cocsep_ttrep/cocsep_ttrep_tests.c b/test/104_cocsep_ttrep/cocsep_ttrep_tests.c
index 0b853c3..87975a4 100644
--- a/test/104_cocsep_ttrep/cocsep_ttrep_tests.c
+++ b/test/104_cocsep_ttrep/cocsep_ttrep_tests.c
@@ -3,11 +3,11 @@
 uint8_t inverse_trans(uint8_t);
 cube_t transform_corners(cube_t, uint8_t);
 int64_t coord_cocsep(cube_t);
-size_t gendata_cocsep(void *, uint64_t *, cube_t *);
+size_t gendata_cocsep(unsigned char *, uint64_t *, cube_t *);
 
 void run(void) {
         uint8_t t;
-        char buf[2000000];
+        unsigned char buf[2000000];
         uint32_t *cocsepdata, tt;
         uint64_t i, selfsim[COCSEP_CLASSES];
         int64_t j, k, l;