diff --git a/openair-cn/SECU/Makefile.am b/openair-cn/SECU/Makefile.am
index ffe344779c..37b0578b8b 100644
--- a/openair-cn/SECU/Makefile.am
+++ b/openair-cn/SECU/Makefile.am
@@ -5,9 +5,16 @@ AM_CFLAGS = @ADD_CFLAGS@ 	\
 
 noinst_LTLIBRARIES = libsecu.la
 
-libsecu_la_LDFLAGS = -all-static
+libsecu_la_LDFLAGS = -all-static -lm
 libsecu_la_SOURCES = \
 	kdf.c	\
 	key_nas_deriver.c	\
-	nas_stream_eea2.c	\
-	nas_stream_eia2.c
\ No newline at end of file
+    nas_stream_eea1.c   \
+    nas_stream_eia1.c   \
+    nas_stream_eea2.c   \
+    nas_stream_eia2.c   \
+    rijndael.c   \
+    rijndael.h   \
+    snow3g.c   \
+    snow3g.h   \
+	secu_defs.h
\ No newline at end of file