diff --git a/src/runtime/c/pgf/graphviz.c b/src/runtime/c/pgf/graphviz.c
index a404ed009..f46b8dd3a 100644
--- a/src/runtime/c/pgf/graphviz.c
+++ b/src/runtime/c/pgf/graphviz.c
@@ -192,7 +192,7 @@ pgf_bracket_lzn_begin_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, GuString
 }
 
 static void
-pgf_bracket_lzn_end_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, size_t lindex, PgfCId fun)
+pgf_bracket_lzn_end_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, GuString ann, PgfCId fun)
 {
 	PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);