diff --git a/src/composition/private/composition.cpp b/src/composition/private/composition.cpp
index 7df3a93..56b3d44 100644
--- a/src/composition/private/composition.cpp
+++ b/src/composition/private/composition.cpp
@@ -19,6 +19,7 @@
 //
 // *********************************************************************** */
 #include "composition.h"
+#include "const.h"
 #include "quill/LogMacros.h"
 
 #include <stdexcept>