diff --git a/doc/examples/osmo-smlc/osmo-smlc.cfg b/doc/examples/osmo-smlc/osmo-smlc.cfg
index 6585d47..74b90e0 100644
--- a/doc/examples/osmo-smlc/osmo-smlc.cfg
+++ b/doc/examples/osmo-smlc/osmo-smlc.cfg
@@ -1,3 +1,11 @@
+log stderr
+ logging color 1
+ logging print category-hex 0
+ logging print category 1
+ logging timestamp 0
+ logging print file basename last
+ logging print level 1
+
 cells
  lac-ci 23 42 lat 12.34567 lon 34.56789
  cgi 262 42 17 5 lat 12.34765 lon 34.56987