1 files changed, 1 insertions, 1 deletions
diff --git a/misc.c b/misc.c
index 83544db..40a0da9 100644
--- a/misc.c
+++ b/misc.c
@@ -74,7 +74,7 @@ filerr (char const *syscall, char const *file_name)
 }
 
 int
-tree8_count_levels (int cardinality)
+tree8_count_levels (unsigned int cardinality)
 {
   int levels = 1;
   cardinality--;