diff --git a/docker-compose/Makefile b/docker-compose/Makefile
index 35c4a2f4e6d379eb9a6eb206c450a6d3ab3175d0..ce7489db12e366cac98af2550f68a3afd3e17266 100644
--- a/docker-compose/Makefile
+++ b/docker-compose/Makefile
@@ -106,6 +106,7 @@ endif
 DOCKER_COMPOSE_ARGS := DISPLAY=$(DISPLAY) \
     XAUTHORITY=$(XAUTHORITY) \
     TANGO_HOST=$(TANGO_HOST) \
+    MYSQL_HOST=$(MYSQL_HOST) \
     HOSTNAME=$(HOSTNAME) \
     NETWORK_MODE=$(NETWORK_MODE) \
     XAUTHORITY_MOUNT=$(XAUTHORITY_MOUNT) \