diff --git a/src/g_objdef.c b/src/g_objdef.c
index 0d74afa..767967a 100644
--- a/src/g_objdef.c
+++ b/src/g_objdef.c
@@ -380,7 +380,7 @@ static void G_ObjDef_parseAnim(G_dodst *st, G_andcl *decl)
    char const *frames = st->expect(tok_identi, "frame")->textV;
    int time = strtoi(st->expect(tok_number, "time")->textV, NULL, 0);
 
-   M_Vec_growN(decl->frame, strlen(frames), 0);
+   M_Vec_grow(decl->frame, strlen(frames));
    for(char const *frame = frames; *frame; frame++) {
       char    *key = M_StrFmt("%s%c", name, *frame);
       G_frdcl *fr  = G_frametab.find(key);