diff --git a/src/cmd/compile/internal/ssa/gen/rulegen.go b/src/cmd/compile/internal/ssa/gen/rulegen.go
index 3a18ca252c7179..ed3ed75638d1fc 100644
--- a/src/cmd/compile/internal/ssa/gen/rulegen.go
+++ b/src/cmd/compile/internal/ssa/gen/rulegen.go
@@ -607,7 +607,7 @@ func fprint(w io.Writer, n Node) {
 		fprint(w, n.expr)
 		fmt.Fprintf(w, " {\nbreak\n}\n")
 	case ast.Node:
-		printer.Fprint(w, emptyFset, n)
+		printConfig.Fprint(w, emptyFset, n)
 		if _, ok := n.(ast.Stmt); ok {
 			fmt.Fprintln(w)
 		}
@@ -616,6 +616,10 @@ func fprint(w io.Writer, n Node) {
 	}
 }
 
+var printConfig = printer.Config{
+	Mode: printer.RawFormat, // we use go/format later, so skip work here
+}
+
 var emptyFset = token.NewFileSet()
 
 // Node can be a Statement or an ast.Expr.