1 files changed, 2 insertions, 2 deletions

diff --git a/test/010_math_permtoindex/permtoindex_tests.c b/test/010_math_permtoindex/permtoindex_tests.c
index 98c8207..ff61945 100644
--- a/test/010_math_permtoindex/permtoindex_tests.c
+++ b/test/010_math_permtoindex/permtoindex_tests.c
@@ -1,6 +1,6 @@
 #include "../test.h"
 
-int64_t permtoindex(uint8_t *, int64_t);
+int64_t permtoindex(size_t n, const uint8_t [n]);
 
 void run(void) {
         char str[STRLENMAX];
@@ -14,6 +14,6 @@ void run(void) {
                 a[i] = atoi(str);
         }
 
-        p = permtoindex(a, n);
+        p = permtoindex(n, a);
         printf("%" PRId64 "\n", p);
 }