diff --git a/scripts/prepare_build.sh b/scripts/prepare_build.sh
index f170743aea3..b8d8cc2851a 100755
--- a/scripts/prepare_build.sh
+++ b/scripts/prepare_build.sh
@@ -14,7 +14,7 @@ if [ -f /.dockerenv ] || [ -f ./dockerinit ]; then
     else # Assume it's mysql
         sed -i 's/username:.*/username: root/g' config/database.yml
         sed -i 's/password:.*/password:/g' config/database.yml
-        sed -i 's/# socket:.*/host: mysql/g' config/database.yml
+        sed -i 's/# host:.*/host: mysql/g' config/database.yml
     fi
 
     cp config/resque.yml.example config/resque.yml