diff --git a/src/lib/format-util.hpp b/src/lib/format-util.hpp
index 56a68ebcc..8760a8b63 100644
--- a/src/lib/format-util.hpp
+++ b/src/lib/format-util.hpp
@@ -45,6 +45,7 @@
 #include "lib/util.hpp"
 
 #include <string>
+#include <vector>
 #include <sstream>
 #include <utility>
 #include <typeinfo>
diff --git a/src/lib/opaque-holder.hpp b/src/lib/opaque-holder.hpp
index 4be97561c..72cf16f92 100644
--- a/src/lib/opaque-holder.hpp
+++ b/src/lib/opaque-holder.hpp
@@ -739,7 +739,7 @@ namespace lib {
           using Holder = InPlaceBuffer<BA, sizeof(SUB)>;
           Holder& holder = *static_cast<Holder*> (buffer_);
           
-          return holder.create<SUB> (std::forward<SUB> (implementation));
+          return holder.template create<SUB> (std::forward<SUB> (implementation));
         }
       
       template<class SUB>