diff --git a/test/core/transport/chttp2/timeout_encoding_test.c b/test/core/transport/chttp2/timeout_encoding_test.c
index 483e79fb253..b7dd60e9b10 100644
--- a/test/core/transport/chttp2/timeout_encoding_test.c
+++ b/test/core/transport/chttp2/timeout_encoding_test.c
@@ -36,11 +36,11 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
@@ -128,11 +128,10 @@ void test_decoding(void) {
   decode_suite('H', gpr_time_from_hours);
   assert_decodes_as("1000000000S",
                     gpr_time_from_seconds(1000 * 1000 * 1000, GPR_TIMESPAN));
-  assert_decodes_as("1000000000000000000000u",
-                    gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("1000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("2000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("9999999999S", gpr_inf_future(GPR_CLOCK_REALTIME));
+  assert_decodes_as("1000000000000000000000u", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("1000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("2000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("9999999999S", gpr_inf_future(GPR_TIMESPAN));
 }
 
 void test_decoding_fails(void) {