diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index b1c1ed9039e73303400c5626ce9568dd79c18319..df7dfe5c0b0c709158fe54005532deb4a022415d 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -118,6 +118,7 @@ static void test_create_channel_stack(void) {
   int *channel_data;
   int *call_data;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_mdstr* path = grpc_mdstr_from_string("/service/method");
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "test_key";
@@ -137,7 +138,7 @@ static void test_create_channel_stack(void) {
   call_stack = gpr_malloc(channel_stack->call_stack_size);
   grpc_error *error = grpc_call_stack_init(
       &exec_ctx, channel_stack, 1, free_call, call_stack, NULL, NULL,
-      gpr_inf_future(GPR_CLOCK_MONOTONIC), call_stack);
+      path, gpr_inf_future(GPR_CLOCK_MONOTONIC), call_stack);
   GPR_ASSERT(error == GRPC_ERROR_NONE);
   GPR_ASSERT(call_stack->count == 1);
   call_elem = grpc_call_stack_element(call_stack, 0);
@@ -154,6 +155,7 @@ static void test_create_channel_stack(void) {
   GRPC_CHANNEL_STACK_UNREF(&exec_ctx, channel_stack, "done");
 
   grpc_exec_ctx_finish(&exec_ctx);
+  GRPC_MDSTR_UNREF(path);
 }
 
 int main(int argc, char **argv) {