diff --git a/teuthology/task/valgrind.supp b/teuthology/task/valgrind.supp
index 4b813d0ddc0..29e83b7cab6 100644
--- a/teuthology/task/valgrind.supp
+++ b/teuthology/task/valgrind.supp
@@ -7,6 +7,14 @@
 	fun:*tcmalloc*GrowHeap*
 	...
 }
+{
+	tcmalloc: string
+	Memcheck:Leak
+	...
+	obj:*tcmalloc*
+	fun:call_init.part.0
+	...
+}
 {
 	ceph global: deliberate onexit leak
 	Memcheck:Leak