diff --git a/big_tests/default.spec b/big_tests/default.spec
index f3cf840e7e4..68e86f12e75 100644
--- a/big_tests/default.spec
+++ b/big_tests/default.spec
@@ -66,7 +66,7 @@
 {suites, "tests", mod_event_pusher_sns_SUITE}.
 % {suites, "tests", mod_global_distrib_SUITE}.
 {suites, "tests", mod_http_upload_SUITE}.
-% {suites, "tests", mod_ping_SUITE}.
+{suites, "tests", mod_ping_SUITE}.
 {suites, "tests", mod_time_SUITE}.
 {suites, "tests", mod_version_SUITE}.
 {suites, "tests", mongoose_cassandra_SUITE}.
diff --git a/big_tests/dynamic_domains.spec b/big_tests/dynamic_domains.spec
index 148a2caaa32..08155e04c79 100644
--- a/big_tests/dynamic_domains.spec
+++ b/big_tests/dynamic_domains.spec
@@ -90,7 +90,7 @@
 
 {suites, "tests", mod_http_upload_SUITE}.
 
-% {suites, "tests", mod_ping_SUITE}.
+{suites, "tests", mod_ping_SUITE}.
 
 % {suites, "tests", mod_time_SUITE}.