diff --git a/examples/hello.cc b/examples/hello.cc
index 46f3997..2362ba7 100644
--- a/examples/hello.cc
+++ b/examples/hello.cc
@@ -1,7 +1,7 @@
+#include <wasmtime.hh>
 #include <fstream>
 #include <iostream>
 #include <sstream>
-#include <wasmtime.hh>
 
 using namespace wasmtime;
 
diff --git a/include/wasmtime.hh b/include/wasmtime.hh
index c11a689..921966e 100644
--- a/include/wasmtime.hh
+++ b/include/wasmtime.hh
@@ -40,6 +40,7 @@
 #include <limits>
 #include <memory>
 #include <optional>
+#include <ostream>
 #include <variant>
 #include <vector>
 #ifdef __has_include