diff --git a/src/hotspot/share/opto/idealGraphPrinter.hpp b/src/hotspot/share/opto/idealGraphPrinter.hpp
index 28864185dab8e..aff139a82e3fa 100644
--- a/src/hotspot/share/opto/idealGraphPrinter.hpp
+++ b/src/hotspot/share/opto/idealGraphPrinter.hpp
@@ -89,7 +89,7 @@ class IdealGraphPrinter : public CHeapObj<mtCompiler> {
   outputStream *_output;
   ciMethod *_current_method;
   int _depth;
-  char buffer[4096];
+  char buffer[512];
   bool _should_send_method;
   PhaseChaitin* _chaitin;
   bool _traverse_outs;