diff --git a/paddle/fluid/framework/details/ssa_graph_printer.h b/paddle/fluid/framework/details/ssa_graph_printer.h
index 5287be3b6a..b4c9001378 100644
--- a/paddle/fluid/framework/details/ssa_graph_printer.h
+++ b/paddle/fluid/framework/details/ssa_graph_printer.h
@@ -20,7 +20,7 @@
 namespace paddle {
 namespace framework {
 namespace details {
-class SSAGraph;
+struct SSAGraph;
 class SSAGraphPrinter {
  public:
   virtual ~SSAGraphPrinter() {}