diff --git a/scripts/sql/36004600_plugin_variable_runtime_support.down.sql b/scripts/sql/36004600_plugin_variable_runtime_support.down.sql
new file mode 100644
index 0000000000..9f45da6665
--- /dev/null
+++ b/scripts/sql/36004600_plugin_variable_runtime_support.down.sql
@@ -0,0 +1,10 @@
+BEGIN;
+
+ALTER TABLE "public"."plugin_step_variable"
+    DROP CONSTRAINT IF EXISTS plugin_step_variable_value_constraint_id_fkey;
+
+ALTER TABLE "public"."plugin_step_variable"
+    DROP COLUMN IF EXISTS "is_runtime_arg",
+    DROP COLUMN IF EXISTS "value_constraint_id";
+
+COMMIT;
\ No newline at end of file
diff --git a/scripts/sql/36004600_plugin_variable_runtime_support.up.sql b/scripts/sql/36004600_plugin_variable_runtime_support.up.sql
new file mode 100644
index 0000000000..eea342e61a
--- /dev/null
+++ b/scripts/sql/36004600_plugin_variable_runtime_support.up.sql
@@ -0,0 +1,14 @@
+BEGIN;
+
+-- Add is_runtime_arg and value_constraint_id to plugin_step_variable
+-- These were intended in migration 30802500 (comment says so) but were missed
+ALTER TABLE "public"."plugin_step_variable"
+    ADD COLUMN IF NOT EXISTS "is_runtime_arg"      boolean NOT NULL DEFAULT FALSE,
+    ADD COLUMN IF NOT EXISTS "value_constraint_id"  int;
+
+-- Add FK to value_constraint table
+ALTER TABLE "public"."plugin_step_variable"
+    ADD CONSTRAINT "plugin_step_variable_value_constraint_id_fkey"
+    FOREIGN KEY ("value_constraint_id") REFERENCES "public"."value_constraint" ("id");
+
+COMMIT;
\ No newline at end of file