diff --git a/t/valgrind/valgrind.supp b/t/valgrind/valgrind.supp
index 3e093b76fa47..27bf1201cad7 100644
--- a/t/valgrind/valgrind.supp
+++ b/t/valgrind/valgrind.supp
@@ -63,6 +63,7 @@
 {
    <issue_1897>
    Memcheck:Addr1
+   ...
    fun:ev_run
    fun:flux_reactor_run
    ...