X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/agedu/blobdiff_plain/f4592adf2a5b6521f5dcf28c133fae48c6cd8828..aea73b94eceda699dd5208e2a78e39af7d6756d4:/trie.c

diff --git a/trie.c b/trie.c
index 4857891..d170458 100644
--- a/trie.c
+++ b/trie.c
@@ -218,7 +218,7 @@ static off_t triebuild_unwind(triebuild *tb, int targetdepth, int *outcount)
     while (depth > targetdepth) {
 	int odepth = depth;
 	while (depth > targetdepth &&
-	       (depth-1 > tb->switchsize || !tb->switches ||
+	       (depth-1 >= tb->switchsize || !tb->switches ||
 		tb->switches[depth-1].len == 0))
 	    depth--;
 	if (odepth > depth) {