diff --git a/decoder/include/interfaces/trc_tgt_mem_access_i.h b/decoder/include/interfaces/trc_tgt_mem_access_i.h
index 68a4e10055d4..9de30a59e9b7 100644
--- a/decoder/include/interfaces/trc_tgt_mem_access_i.h
+++ b/decoder/include/interfaces/trc_tgt_mem_access_i.h
@@ -35,6 +35,8 @@
 #ifndef ARM_TRC_TGT_MEM_ACCESS_I_H_INCLUDED
 #define ARM_TRC_TGT_MEM_ACCESS_I_H_INCLUDED
 
+#include "opencsd/ocsd_if_types.h"
+
 /*!
  * @class ITargetMemAccess   
  *