diff --git a/test/testsupport/perf_test.cc b/test/testsupport/perf_test.cc
index c2a2a502f9..060cf3720a 100644
--- a/test/testsupport/perf_test.cc
+++ b/test/testsupport/perf_test.cc
@@ -82,7 +82,7 @@ class PerfResultsLogger {
 
     std::ostringstream json_stream;
     json_stream << '"' << trace_name << R"(":{)";
-    json_stream << R"("type":"list_of_scalars",)";
+    json_stream << R"("type":"list_of_scalar_values",)";
     json_stream << R"("values":[)" << mean << "],";
     json_stream << R"("std":)" << error << ',';
     json_stream << R"("units":")" << units << R"("})";
@@ -104,7 +104,7 @@ class PerfResultsLogger {
 
     std::ostringstream json_stream;
     json_stream << '"' << trace_name << R"(":{)";
-    json_stream << R"("type":"list_of_scalars",)";
+    json_stream << R"("type":"list_of_scalar_values",)";
     json_stream << R"("values":)" << value_stream.str() << ',';
     json_stream << R"("units":")" << units << R"("})";
     rtc::CritScope lock(&crit_);
diff --git a/test/testsupport/perf_test_unittest.cc b/test/testsupport/perf_test_unittest.cc
index 514196b1e9..bd8e85f4f3 100644
--- a/test/testsupport/perf_test_unittest.cc
+++ b/test/testsupport/perf_test_unittest.cc
@@ -26,13 +26,13 @@ const char* kJsonExpected = R"({
         "units":"widgets"
       },
       "baz_me":{
-        "type":"list_of_scalars",
+        "type":"list_of_scalar_values",
         "values":[1],
         "std":2,
         "units":"lemurs"
       },
       "baz_vl":{
-        "type":"list_of_scalars",
+        "type":"list_of_scalar_values",
         "values":[1,2,3],
         "units":"units"
       }