diff --git a/srfi/Makefile.am b/srfi/Makefile.am
index 17ff92344..8ca7b1aab 100644
--- a/srfi/Makefile.am
+++ b/srfi/Makefile.am
@@ -39,12 +39,14 @@ lib_LTLIBRARIES = \
 
 BUILT_SOURCES = srfi-13.x srfi-14.x srfi-4.x
 
-libguile_srfi_srfi_4_v_@LIBGUILE_SRFI_SRFI_4_MAJOR@_la_SOURCES = srfi-4.x srfi-4.c
+libguile_srfi_srfi_4_v_@LIBGUILE_SRFI_SRFI_4_MAJOR@_la_SOURCES = srfi-4.c
+nodist_libguile_srfi_srfi_4_v_@LIBGUILE_SRFI_SRFI_4_MAJOR@_la_SOURCES = srfi-4.x
 libguile_srfi_srfi_4_v_@LIBGUILE_SRFI_SRFI_4_MAJOR@_la_LIBADD = ../libguile/libguile.la
 libguile_srfi_srfi_4_v_@LIBGUILE_SRFI_SRFI_4_MAJOR@_la_LDFLAGS = -export-dynamic \
   -version-info @LIBGUILE_SRFI_SRFI_4_INTERFACE@
 
-libguile_srfi_srfi_13_14_v_@LIBGUILE_SRFI_SRFI_13_14_MAJOR@_la_SOURCES = srfi-13.x srfi-13.c srfi-14.x srfi-14.c
+libguile_srfi_srfi_13_14_v_@LIBGUILE_SRFI_SRFI_13_14_MAJOR@_la_SOURCES = srfi-13.c srfi-14.c
+nodist_libguile_srfi_srfi_13_14_v_@LIBGUILE_SRFI_SRFI_13_14_MAJOR@_la_SOURCES = srfi-13.x srfi-14.x
 libguile_srfi_srfi_13_14_v_@LIBGUILE_SRFI_SRFI_13_14_MAJOR@_la_LIBADD = ../libguile/libguile.la
 libguile_srfi_srfi_13_14_v_@LIBGUILE_SRFI_SRFI_13_14_MAJOR@_la_LDFLAGS = -export-dynamic \
   -version-info @LIBGUILE_SRFI_SRFI_13_14_INTERFACE@