diff --git a/src/core/iomgr/fd_posix.c b/src/core/iomgr/fd_posix.c
index dc4aabb668f84be86e48e38f85c5121c26ec73b3..7ae8d6efa5b3bf70e530a9b6c86e440f96c9243a 100644
--- a/src/core/iomgr/fd_posix.c
+++ b/src/core/iomgr/fd_posix.c
@@ -172,8 +172,8 @@ int grpc_fd_is_orphaned(grpc_fd *fd) {
 static void pollset_kick_locked(grpc_fd_watcher *watcher) {
   gpr_mu_lock(GRPC_POLLSET_MU(watcher->pollset));
   GPR_ASSERT(watcher->worker);
-  grpc_pollset_kick_ex(watcher->pollset, watcher->worker,
-                       GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
+  grpc_pollset_kick_ext(watcher->pollset, watcher->worker,
+                        GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP);
   gpr_mu_unlock(GRPC_POLLSET_MU(watcher->pollset));
 }
 
diff --git a/src/core/iomgr/pollset_posix.c b/src/core/iomgr/pollset_posix.c
index 574ebc7c60a526cd2b9c8a9abb1302f87d67a267..0851a0dc70c079abda7d1ff73f7f360f512c45a9 100644
--- a/src/core/iomgr/pollset_posix.c
+++ b/src/core/iomgr/pollset_posix.c
@@ -98,8 +98,8 @@ static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
   worker->prev->next = worker->next->prev = worker;
 }
 
-void grpc_pollset_kick_ex(grpc_pollset *p, grpc_pollset_worker *specific_worker,
-                          gpr_uint32 flags) {
+void grpc_pollset_kick_ext(grpc_pollset *p, grpc_pollset_worker *specific_worker,
+                           gpr_uint32 flags) {
   /* pollset->mu already held */
   if (specific_worker != NULL) {
     if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) {
@@ -151,7 +151,7 @@ void grpc_pollset_kick_ex(grpc_pollset *p, grpc_pollset_worker *specific_worker,
 }
 
 void grpc_pollset_kick(grpc_pollset *p, grpc_pollset_worker *specific_worker) {
-  grpc_pollset_kick_ex(p, specific_worker, 0);
+  grpc_pollset_kick_ext(p, specific_worker, 0);
 }
 
 /* global state management */
diff --git a/src/core/iomgr/pollset_posix.h b/src/core/iomgr/pollset_posix.h
index f0ec07ebce9f71f2f318a5238ed01af788b93e63..6b91725de77ef4cf83044808b186778f4eb9b41e 100644
--- a/src/core/iomgr/pollset_posix.h
+++ b/src/core/iomgr/pollset_posix.h
@@ -118,8 +118,8 @@ int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
 #define GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP 2
 /* As per grpc_pollset_kick, with an extended set of flags (defined above)
    -- mostly for fd_posix's use. */
-void grpc_pollset_kick_ex(grpc_pollset *p, grpc_pollset_worker *specific_worker,
-                          gpr_uint32 flags);
+void grpc_pollset_kick_ext(grpc_pollset *p, grpc_pollset_worker *specific_worker,
+                           gpr_uint32 flags);
 
 /* turn a pollset into a multipoller: platform specific */
 typedef void (*grpc_platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx,