diff --git a/orte/mca/odls/default/odls_default_module.c b/orte/mca/odls/default/odls_default_module.c
index 6ef8aa683d..7893ab5bd2 100644
--- a/orte/mca/odls/default/odls_default_module.c
+++ b/orte/mca/odls/default/odls_default_module.c
@@ -181,7 +181,7 @@ static int odls_default_kill_local(pid_t pid, int signum)
          * child processes our child may have
          * started
          */
-        pid = pgrp;
+        pid = -pgrp;
     }
 #endif