diff --git a/src/runtime/malloc2.go b/src/runtime/malloc2.go
index cd8dc0a..c975f84 100644
--- a/src/runtime/malloc2.go
+++ b/src/runtime/malloc2.go
@@ -477,7 +477,7 @@ type finblock struct {
        next    *finblock
        cnt     int32
        _       int32
-       fin     [(_FinBlockSize-2*ptrSize-2*4)/unsafe.Sizeof(finalizer{})]finalizer
+       fin     [(_FinBlockSize - 2*ptrSize - 2*4) / unsafe.Sizeof(finalizer{})]finalizer
 }