diff --git a/README.md b/README.md
index a63ee26..a7c139c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 # conjurer
 Discord.py bot for fun, sex and BDSM
+Additional line to trigger build.
diff --git a/docker/compose.radio.stack.yaml b/docker/compose.radio.stack.yaml
index 153d395..b6dbcf0 100644
--- a/docker/compose.radio.stack.yaml
+++ b/docker/compose.radio.stack.yaml
@@ -8,7 +8,7 @@ services:
       PULSE_MODE: internal
       ICECAST_HOSTNAME: radio.czernobog.pl
       CONJURER_MAIN_BOT: http://192.168.1.73:32442     # ← z kroku 2.4
-      CONJURER_API_KEY: ${CONJURER_API_KEY:d97008b3-7a5a-11f1-acd1-000b0e0f00ed}
+      CONJURER_API_KEY: ${CONJURER_API_KEY:-d97008b3-7a5a-11f1-acd1-000b0e0f00ed}
     ports:
       - "8000:8000"     # icecast
       - "5005:5005"     # betoniarka API (bot → CONJURER_RADIO_SERVICE)