diff --git a/src/mad_ibs.c b/src/mad_ibs.c
index 2685d1672..ede60bcf5 100644
--- a/src/mad_ibs.c
+++ b/src/mad_ibs.c
@@ -6,7 +6,7 @@ pro_ibs(struct in_cmd* cmd)
 {
   struct command* keep_beam = current_beam;
   char *filename = NULL, *table_name = NULL;
-  int k, w_file;
+  int w_file;
 
   (void)cmd;