diff --git a/Makefile.am b/Makefile.am
index 31a54ea..4a1f65d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -13,6 +13,7 @@
 	include \
 	src \
 	tests \
+	contrib \
 	$(NULL)
 
 pkgconfigdir = $(libdir)/pkgconfig
diff --git a/configure.ac b/configure.ac
index ff51ccf..adae598 100644
--- a/configure.ac
+++ b/configure.ac
@@ -263,4 +263,5 @@
     tests/nanobts_omlattr/Makefile
     doc/Makefile
     doc/examples/Makefile
+    contrib/Makefile
     Makefile)
diff --git a/contrib/Makefile.am b/contrib/Makefile.am
new file mode 100644
index 0000000..db6d0f5
--- /dev/null
+++ b/contrib/Makefile.am
@@ -0,0 +1 @@
+EXTRA_DIST = ipa.py
diff --git a/doc/examples/osmo-bsc_nat/bscs.config b/doc/examples/osmo-bsc_nat/bscs.cfg
similarity index 100%
rename from doc/examples/osmo-bsc_nat/bscs.config
rename to doc/examples/osmo-bsc_nat/bscs.cfg
diff --git a/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg b/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg
index 6b48e97..e835e06 100644
--- a/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg
+++ b/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg
@@ -62,5 +62,5 @@
  timeout ping 20
  timeout pong 5
  ip-dscp 0
- bscs-config-file bscs.config
+ bscs-config-file bscs.cfg
  access-list bla imsi-allow ^11$
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9cbc1c1..72161ee 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -87,7 +87,7 @@
 if BUILD_SMPP
 	$(PYTHON) $(srcdir)/smpp_test_runner.py -w $(abs_top_builddir) -v
 endif
-	rm -f $(top_builddir)/hlr.sqlite3
+	rm -f $(top_builddir)/hlr.sqlite3 $(top_builddir)/gsn_restart $(top_builddir)/gtphub_restart_count
 else
 python-tests: $(BUILT_SOURCES)
 	echo "Not running python-based tests (determined at configure-time)"
diff --git a/tests/vty_test_runner.py b/tests/vty_test_runner.py
index 92775d5..68a697d 100644
--- a/tests/vty_test_runner.py
+++ b/tests/vty_test_runner.py
@@ -1220,7 +1220,7 @@
 def nat_bsc_reload(x):
     x.vty.command("configure terminal")
     x.vty.command("nat")
-    x.vty.command("bscs-config-file bscs.config")
+    x.vty.command("bscs-config-file bscs.cfg")
     x.vty.command("end")
 
 def nat_msc_ip(x, ip, port):