1 files changed, 1 insertions, 0 deletions
diff --git a/src/sum.c b/src/sum.c
index 67019ee..0a3dd34 100644
--- a/src/sum.c
+++ b/src/sum.c
@@ -28,6 +28,7 @@ typedef struct _sum
 static void sum_list(t_sum *x, t_symbol *s, int argc, t_atom *argv)
 {
   t_float sum = 0.f;
+  ZEXY_USEVAR(s);
 
   while(argc--)sum+=atom_getfloat(argv++);