diff --git a/src/cpp/common/channel_filter.h b/src/cpp/common/channel_filter.h
index 5f9fd8790b5..79c4bab985b 100644
--- a/src/cpp/common/channel_filter.h
+++ b/src/cpp/common/channel_filter.h
@@ -244,7 +244,7 @@ class CallData {
 
   /// Initializes the call data.
   virtual grpc_error *Init(grpc_exec_ctx *exec_ctx, ChannelData *channel_data,
-                           grpc_call_element_args *args) {
+                           const grpc_call_element_args *args) {
     return GRPC_ERROR_NONE;
   }
 
@@ -308,7 +308,7 @@ class ChannelFilter final {
 
   static grpc_error *InitCallElement(grpc_exec_ctx *exec_ctx,
                                      grpc_call_element *elem,
-                                     grpc_call_element_args *args) {
+                                     const grpc_call_element_args *args) {
     ChannelDataType *channel_data = (ChannelDataType *)elem->channel_data;
     // Construct the object in the already-allocated memory.
     CallDataType *call_data = new (elem->call_data) CallDataType();
diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index dd9c5445243..76bb57346c0 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -57,7 +57,7 @@ static grpc_error *channel_init_func(grpc_exec_ctx *exec_ctx,
 
 static grpc_error *call_init_func(grpc_exec_ctx *exec_ctx,
                                   grpc_call_element *elem,
-                                  grpc_call_element_args *args) {
+                                  const grpc_call_element_args *args) {
   ++*(int *)(elem->channel_data);
   *(int *)(elem->call_data) = 0;
   return GRPC_ERROR_NONE;
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
index 308b4de71b8..25e606556da 100644
--- a/test/core/end2end/tests/filter_causes_close.c
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -230,7 +230,7 @@ static void start_transport_stream_op(grpc_exec_ctx *exec_ctx,
 
 static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
                                   grpc_call_element *elem,
-                                  grpc_call_element_args *args) {
+                                  const grpc_call_element_args *args) {
   return GRPC_ERROR_NONE;
 }
 
diff --git a/test/core/end2end/tests/filter_latency.c b/test/core/end2end/tests/filter_latency.c
index 13d2ae012cf..d05e9e79a11 100644
--- a/test/core/end2end/tests/filter_latency.c
+++ b/test/core/end2end/tests/filter_latency.c
@@ -260,7 +260,7 @@ static void test_request(grpc_end2end_test_config config) {
 
 static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
                                   grpc_call_element *elem,
-                                  grpc_call_element_args *args) {
+                                  const grpc_call_element_args *args) {
   return GRPC_ERROR_NONE;
 }
 
diff --git a/test/cpp/common/channel_filter_test.cc b/test/cpp/common/channel_filter_test.cc
index 32246a4b765..d78b05e5d8a 100644
--- a/test/cpp/common/channel_filter_test.cc
+++ b/test/cpp/common/channel_filter_test.cc
@@ -55,7 +55,7 @@ class MyCallData : public CallData {
   MyCallData() {}
 
   grpc_error* Init(grpc_exec_ctx* exec_ctx, ChannelData* channel_data,
-                   grpc_call_element_args* args) override {
+                   const grpc_call_element_args* args) override {
     (void)args->path;  // Make sure field is available.
     return GRPC_ERROR_NONE;
   }