diff --git a/json11.cpp b/json11.cpp
index ad7f5b1..a25d0fe 100644
--- a/json11.cpp
+++ b/json11.cpp
@@ -218,6 +218,7 @@ struct Statics {
     const string empty_string;
     const vector<Json> empty_vector;
     const map<string, Json> empty_map;
+    Statics() {}
 };
 
 const Statics & statics() {