1 files changed, 1 insertions, 1 deletions

diff --git a/test/090_solve_simple/solve_simple_tests.c b/test/090_solve_simple/solve_simple_tests.c
index 4756dc0..5ba6d20 100644
--- a/test/090_solve_simple/solve_simple_tests.c
+++ b/test/090_solve_simple/solve_simple_tests.c
@@ -3,7 +3,7 @@
 int64_t solve(cube_t, char *, char *, char *, int8_t, int8_t, int64_t, int8_t,
     void *, char *);
 
-int main() {
+int main(void) {
         char cubestr[STRLENMAX], solverstr[STRLENMAX], optionsstr[STRLENMAX];
         char nisstypestr[STRLENMAX], minmovesstr[STRLENMAX];
         char maxmovesstr[STRLENMAX], maxsolsstr[STRLENMAX];