diff --git a/ftepp.c b/ftepp.c
index e677e74..34ca698 100644
--- a/ftepp.c
+++ b/ftepp.c
@@ -134,6 +134,7 @@ static void pptoken_delete(pptoken *self)
 
 static ppmacro *ppmacro_new(lex_ctx ctx, const char *name)
 {
+    (void)ctx;
     ppmacro *macro = (ppmacro*)mem_a(sizeof(ppmacro));
     memset(macro, 0, sizeof(*macro));
     macro->name = util_strdup(name);