initial EKT work
diff --git a/Makefile.in b/Makefile.in
index 97f5cb8..65a1d78 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -99,7 +99,7 @@
 
 # libsrtp.a (implements srtp processing)
 
-srtpobj = srtp/srtp.o 
+srtpobj = srtp/srtp.o srtp/ekt.o
 
 libsrtp.a: $(srtpobj) $(cryptobj) $(gdoi)
 	ar cr libsrtp.a $^