diff --git a/ext/srtp/Makefile.am b/ext/srtp/Makefile.am
index fa8384375a..778db02ee4 100644
--- a/ext/srtp/Makefile.am
+++ b/ext/srtp/Makefile.am
@@ -6,9 +6,7 @@ libgstsrtp_la_SOURCES = \
 	gstsrtpdec.c	\
 	gstsrtpdec.h	\
 	gstsrtpenc.c	\
-	gstsrtpenc.h	\
-	gstsrtp-enumtypes.c \
-	gstsrtp-enumtypes.h
+	gstsrtpenc.h
 
 libgstsrtp_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(SRTP_CFLAGS)
 libgstsrtp_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) \
@@ -28,6 +26,8 @@ glib_gen_prefix=gst_srtp
 glib_gen_basename=gstsrtp
 
 BUILT_SOURCES = gstsrtp-enumtypes.c gstsrtp-enumtypes.h
+nodist_libgstsrtp_la_SOURCES = $(BUILT_SOURCES)
+
 CLEANFILES = $(BUILT_SOURCES)
 
 include $(top_srcdir)/common/gst-glib-gen.mak