1 files changed, 2 insertions, 1 deletions

diff --git a/cpp/nissy.cpp b/cpp/nissy.cpp
index 6ca4884..91690fa 100644
--- a/cpp/nissy.cpp
+++ b/cpp/nissy.cpp
@@ -12,7 +12,8 @@ extern "C" {
         long long nissy_inverse(const char *, char *);
         long long nissy_applymoves(const char *, const char *, char *);
         long long nissy_applytrans(const char *, const char *, char *);
-        long long nissy_variations(const char *, const char *, size_t, char*);
+        long long nissy_variations(const char *, const char *,
+            unsigned long long, char*);
         long long nissy_getcube(long long, long long, long long, long long,
             long long, const char *, char *);
         long long nissy_solverinfo(const char *, char *);