diff --git a/rel/overlays/bin/migrate b/rel/overlays/bin/migrate
index 78a1181..4926c27 100755
--- a/rel/overlays/bin/migrate
+++ b/rel/overlays/bin/migrate
@@ -1,4 +1,9 @@
 #!/bin/sh
 set -eu
 cd -P -- "$(dirname -- "$0")"
-exec ./centralcloud_my eval CentralcloudMy.Release.migrate
+for pair in "centralcloud_staff CentralcloudStaff" "centralcloud_my CentralcloudMy"; do
+  bin="${pair%% *}"; mod="${pair##* }"
+  [ -f "./$bin" ] && exec "./$bin" eval "$mod.Release.migrate"
+done
+echo "No app binary found in $(pwd)" >&2
+exit 1
diff --git a/rel/overlays/bin/server b/rel/overlays/bin/server
index e645b77..ef831f2 100755
--- a/rel/overlays/bin/server
+++ b/rel/overlays/bin/server
@@ -1,4 +1,8 @@
 #!/bin/sh
 set -eu
 cd -P -- "$(dirname -- "$0")"
-PHX_SERVER=true exec ./centralcloud_my start
+for bin in centralcloud_staff centralcloud_my; do
+  [ -f "./$bin" ] && PHX_SERVER=true exec "./$bin" start
+done
+echo "No app binary found in $(pwd)" >&2
+exit 1