diff --git a/src/core/lib/iomgr/iomgr_custom.cc b/src/core/lib/iomgr/iomgr_custom.cc
index 381e00e07a7..56363c35fd6 100644
--- a/src/core/lib/iomgr/iomgr_custom.cc
+++ b/src/core/lib/iomgr/iomgr_custom.cc
@@ -50,7 +50,9 @@ static bool iomgr_platform_add_closure_to_background_poller(
 }
 
 static grpc_iomgr_platform_vtable vtable = {
-    iomgr_platform_init, iomgr_platform_flush, iomgr_platform_shutdown,
+    iomgr_platform_init,
+    iomgr_platform_flush,
+    iomgr_platform_shutdown,
     iomgr_platform_shutdown_background_closure,
     iomgr_platform_is_any_background_poller_thread,
     iomgr_platform_add_closure_to_background_poller};
diff --git a/src/core/lib/iomgr/iomgr_posix.cc b/src/core/lib/iomgr/iomgr_posix.cc
index a4010b8cf9d..de22d20a639 100644
--- a/src/core/lib/iomgr/iomgr_posix.cc
+++ b/src/core/lib/iomgr/iomgr_posix.cc
@@ -65,7 +65,9 @@ static bool iomgr_platform_add_closure_to_background_poller(
 }
 
 static grpc_iomgr_platform_vtable vtable = {
-    iomgr_platform_init, iomgr_platform_flush, iomgr_platform_shutdown,
+    iomgr_platform_init,
+    iomgr_platform_flush,
+    iomgr_platform_shutdown,
     iomgr_platform_shutdown_background_closure,
     iomgr_platform_is_any_background_poller_thread,
     iomgr_platform_add_closure_to_background_poller};
diff --git a/src/core/lib/iomgr/iomgr_posix_cfstream.cc b/src/core/lib/iomgr/iomgr_posix_cfstream.cc
index 61b8bd100eb..cf4d05318ea 100644
--- a/src/core/lib/iomgr/iomgr_posix_cfstream.cc
+++ b/src/core/lib/iomgr/iomgr_posix_cfstream.cc
@@ -68,7 +68,9 @@ static bool iomgr_platform_add_closure_to_background_poller(
 }
 
 static grpc_iomgr_platform_vtable vtable = {
-    iomgr_platform_init, iomgr_platform_flush, iomgr_platform_shutdown,
+    iomgr_platform_init,
+    iomgr_platform_flush,
+    iomgr_platform_shutdown,
     iomgr_platform_shutdown_background_closure,
     iomgr_platform_is_any_background_poller_thread,
     iomgr_platform_add_closure_to_background_poller};
diff --git a/src/core/lib/iomgr/iomgr_windows.cc b/src/core/lib/iomgr/iomgr_windows.cc
index 0e1a9ba5b7a..13b5f87bd18 100644
--- a/src/core/lib/iomgr/iomgr_windows.cc
+++ b/src/core/lib/iomgr/iomgr_windows.cc
@@ -83,7 +83,9 @@ static bool iomgr_platform_add_closure_to_background_poller(
 }
 
 static grpc_iomgr_platform_vtable vtable = {
-    iomgr_platform_init, iomgr_platform_flush, iomgr_platform_shutdown,
+    iomgr_platform_init,
+    iomgr_platform_flush,
+    iomgr_platform_shutdown,
     iomgr_platform_shutdown_background_closure,
     iomgr_platform_is_any_background_poller_thread,
     iomgr_platform_add_closure_to_background_poller};