diff --git a/tests/valgrind.supp b/tests/valgrind.supp
index e74d2c25..7289d90c 100644
--- a/tests/valgrind.supp
+++ b/tests/valgrind.supp
@@ -147,3 +147,14 @@
    fun:FIPS_mode_set
    fun:OPENSSL_init_library
 }
+# Cmocka
+{
+   This looks like leak from cmocka when the forked server is not properly terminated
+   Memcheck:Leak
+   match-leak-kinds: reachable
+   fun:calloc
+   ...
+   fun:_cmocka_run_group_tests
+   fun:torture_run_tests
+   fun:main
+}