diff --git a/src/cw/Makefile b/src/cw/Makefile
index 6e8423ba..bccc9a8b 100644
--- a/src/cw/Makefile
+++ b/src/cw/Makefile
@@ -242,6 +242,7 @@ MISCSRC=\
 
 DTLSSRC+=\
 	dtls_bio.c\
+	cw_setup_dtls.c
 
 
 RADIOSRC=\