diff --git a/data/Dockerfiles/sogo/reconf-domains.sh b/data/Dockerfiles/sogo/reconf-domains.sh
index 9ea2f6dd..d48eee97 100755
--- a/data/Dockerfiles/sogo/reconf-domains.sh
+++ b/data/Dockerfiles/sogo/reconf-domains.sh
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+until mysqladmin ping --host mysql --silent; do
+	sleep 1
+done
+
 # Wait for MySQL to warm-up
 while mysqladmin ping --host mysql --silent; do