diff --git a/include/sp/protocol/MessagePrinter.h b/include/sp/protocol/MessagePrinter.h
index 8885c49..8bdb5bc 100644
--- a/include/sp/protocol/MessagePrinter.h
+++ b/include/sp/protocol/MessagePrinter.h
@@ -4,6 +4,8 @@
 #include <sp/common/Reflection.h>
 #include <sp/protocol/message/MessagePrinterImpl.h>
 
+namespace sp {
+
 /**
  * \brief Prints a message in a human readable string
  */
@@ -17,3 +19,5 @@ std::ostream& operator<<(std::ostream& a_Stream, const sp::MessageBase<TBase, TO
 		<< "]";
 	return a_Stream;
 }
+
+} // namespace sp
\ No newline at end of file
diff --git a/include/sp/protocol/message/MessagePrinterImpl.h b/include/sp/protocol/message/MessagePrinterImpl.h
index 981f0e3..5955326 100644
--- a/include/sp/protocol/message/MessagePrinterImpl.h
+++ b/include/sp/protocol/message/MessagePrinterImpl.h
@@ -2,6 +2,7 @@
 
 #include <sstream>
 #include <sp/protocol/MessageBase.h>
+#include <sp/common/Templates.h>
 
 namespace sp {
 namespace details {