diff --git a/util/valgrind-suppressions b/util/valgrind-suppressions
index 861eb5c3d..6d0669a43 100644
--- a/util/valgrind-suppressions
+++ b/util/valgrind-suppressions
@@ -109,5 +109,9 @@
    Memcheck:Value16
    fun:PyObject_Realloc
 }
-
+{
+   zlib error
+   Memcheck:Cond
+   fun:inflateReset2
+}