diff --git a/src/ca/tcpiiu_IL.h b/src/ca/tcpiiu_IL.h
index 17808875a..737656b29 100644
--- a/src/ca/tcpiiu_IL.h
+++ b/src/ca/tcpiiu_IL.h
@@ -16,6 +16,8 @@
  *	505 665 1831
  */
 
+#include "comQueSend_IL.h"
+
 inline bool tcpiiu::fullyConstructed () const
 {
     return this->fullyConstructedFlag;