diff --git a/src/plugins/score-plugin-avnd/AvndProcesses/Spammer.hpp b/src/plugins/score-plugin-avnd/AvndProcesses/Spammer.hpp
index 4a2ca9e89b..44ce4cfda1 100644
--- a/src/plugins/score-plugin-avnd/AvndProcesses/Spammer.hpp
+++ b/src/plugins/score-plugin-avnd/AvndProcesses/Spammer.hpp
@@ -1,6 +1,6 @@
 #include <ossia/detail/jthread.hpp>
 #include <ossia/detail/triple_buffer.hpp>
-
+#include <halp/mappers.hpp>
 #include <AvndProcesses/AddressTools.hpp>
 
 namespace avnd_tools