1 files changed, 2 insertions, 2 deletions
diff --git a/c/pl.h b/c/pl.h
index 276f79a..1ad0967 100644
--- a/c/pl.h
+++ b/c/pl.h
@@ -57,9 +57,9 @@ int PlGetv(const term_t t, T arg) { return PlGet(t, arg); }
 template <typename T, typename ...R>
 int PlGetv(const term_t t, T arg, R... rest) { return PlGet(t, arg)? PlGetv(t+1, rest...): 0; }
 template <typename T>
-int Countv(const int i, T arg) { return i+1; }
+int Countv(const int i, T) { return i+1; }
 template <typename T, typename ...R>
-int Countv(const int i, T arg, R... rest) { return Countv(i+1, rest...); }
+int Countv(const int i, T, R... rest) { return Countv(i+1, rest...); }
 
 /* Call Prolog predicate, propagating Prolog exceptions. */
 template <typename ...T>