diff --git a/wrenchboard/src/core/wrenchboard_api.cc b/wrenchboard/src/core/wrenchboard_api.cc
index 656d6348..01d8a8a2 100644
--- a/wrenchboard/src/core/wrenchboard_api.cc
+++ b/wrenchboard/src/core/wrenchboard_api.cc
@@ -122,8 +122,8 @@ PHP_METHOD(WrenchBoard, wrenchboard_api)
         // Convert output
         convert_to_array_ex( param_out ); 
         CVars::iterator i;
-        const int out_size = output.size(); // 200
-        const int out_value_size = 200;
+        const int out_size = output.size(); // 500
+        const int out_value_size = 500;
         char out_key[out_value_size], out_value[out_value_size];
 
         if (!output.empty()) {