diff --git a/testenv/valgrind-suppression-ssl b/testenv/valgrind-suppression-ssl
index 02507850..ffa47237 100644
--- a/testenv/valgrind-suppression-ssl
+++ b/testenv/valgrind-suppression-ssl
@@ -26,3 +26,11 @@
    ...
    obj:*/libcrypto.so.*
 }
+
+{
+   gnutls-false-positive
+   Memcheck:Cond
+   fun:decode_complex_string.isra.0
+   fun:_gnutls_x509_dn_to_string
+   ...
+}
diff --git a/tests/valgrind-suppressions b/tests/valgrind-suppressions
index 5393321f..148eb826 100644
--- a/tests/valgrind-suppressions
+++ b/tests/valgrind-suppressions
@@ -178,3 +178,11 @@
    fun:retrieve_url
    fun:main
 }
+
+{
+   gnutls-false-positive
+   Memcheck:Cond
+   fun:decode_complex_string.isra.0
+   fun:_gnutls_x509_dn_to_string
+   ...
+}
diff --git a/tests/valgrind-suppressions-ssl b/tests/valgrind-suppressions-ssl
index 43735072..ec16220c 100644
--- a/tests/valgrind-suppressions-ssl
+++ b/tests/valgrind-suppressions-ssl
@@ -164,3 +164,11 @@
    fun:retrieve_url
    fun:main
 }
+
+{
+   gnutls-false-positive
+   Memcheck:Cond
+   fun:decode_complex_string.isra.0
+   fun:_gnutls_x509_dn_to_string
+   ...
+}