diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go
index 2f0b063fbd9..c1193084416 100644
--- a/src/runtime/mgc.go
+++ b/src/runtime/mgc.go
@@ -282,8 +282,9 @@ var work workType
 
 type workType struct {
 	full  lfstack          // lock-free list of full blocks workbuf
+	_     cpu.CacheLinePad // prevents false-sharing between full and empty
 	empty lfstack          // lock-free list of empty blocks workbuf
-	pad0  cpu.CacheLinePad // prevents false-sharing between full/empty and nproc/nwait
+	_     cpu.CacheLinePad // prevents false-sharing between empty and nproc/nwait
 
 	wbufSpans struct {
 		lock mutex