diff --git a/libgsmhr/Makefile.am b/libgsmhr/Makefile.am
index 07390f9..4f407ec 100644
--- a/libgsmhr/Makefile.am
+++ b/libgsmhr/Makefile.am
@@ -1,13 +1,15 @@
 AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
 AM_CFLAGS = -fPIC -Wall ${SYMBOL_VISIBILITY}
 
+EXTRA_DIST=fetch_sources.py
+
 LIBVERSION=0:0:0
 
 REFSRC_PATH=refsrc
 REFSRC_SRC=refsrc/dtx.c refsrc/globdefs.c refsrc/host.c refsrc/mathhalf.c refsrc/sp_enc.c refsrc/sp_rom.c refsrc/vad.c refsrc/err_conc.c refsrc/homing.c refsrc/mathdp31.c refsrc/sp_dec.c refsrc/sp_frm.c refsrc/sp_sfrm.c
 
 ${REFSRC_PATH}/.downloaded:
-	./fetch_sources.py "${REFSRC_PATH}"
+	$(srcdir)/fetch_sources.py "${REFSRC_PATH}"
 	for f in "${REFSRC_PATH}"/*.{c,h}; do	\
 		sed -i -e"s/round/round_l2s/" "$$f";	\
 	done