diff --git a/src/lib/db/compression.ts b/src/lib/db/compression.ts
index 7c9b46732c..d927aa2467 100644
--- a/src/lib/db/compression.ts
+++ b/src/lib/db/compression.ts
@@ -168,6 +168,10 @@ function normalizeRtkConfig(value: unknown): RtkConfig {
       typeof record.applyToAssistantMessages === "boolean"
         ? record.applyToAssistantMessages
         : DEFAULT_RTK_CONFIG.applyToAssistantMessages,
+    enableRenderers:
+      typeof record.enableRenderers === "boolean"
+        ? record.enableRenderers
+        : (DEFAULT_RTK_CONFIG.enableRenderers ?? false),
     enabledFilters: Array.isArray(record.enabledFilters)
       ? record.enabledFilters.filter((filter): filter is string => typeof filter === "string")
       : DEFAULT_RTK_CONFIG.enabledFilters,
diff --git a/tests/unit/compression/rtk-renderers-config.test.ts b/tests/unit/compression/rtk-renderers-config.test.ts
new file mode 100644
index 0000000000..2be878169d
--- /dev/null
+++ b/tests/unit/compression/rtk-renderers-config.test.ts
@@ -0,0 +1,44 @@
+import { describe, it, afterEach, after } from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+import { rtkConfigSchema } from "../../../src/shared/validation/compressionConfigSchemas.ts";
+import { DEFAULT_RTK_CONFIG } from "../../../open-sse/services/compression/types.ts";
+
+const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-rtk-renderers-"));
+const ORIGINAL_DATA_DIR = process.env.DATA_DIR;
+process.env.DATA_DIR = TEST_DATA_DIR;
+
+const core = await import("../../../src/lib/db/core.ts");
+const { getCompressionSettings, updateCompressionSettings } =
+  await import("../../../src/lib/db/compression.ts");
+
+describe("RTK renderer config persistence", () => {
+  afterEach(() => {
+    core.resetDbInstance();
+  });
+
+  after(() => {
+    core.resetDbInstance();
+    fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
+    if (ORIGINAL_DATA_DIR === undefined) delete process.env.DATA_DIR;
+    else process.env.DATA_DIR = ORIGINAL_DATA_DIR;
+  });
+
+  it("accepts enableRenderers on the strict write schema", () => {
+    assert.equal(rtkConfigSchema.safeParse({ enableRenderers: true }).success, true);
+  });
+
+  it("preserves enableRenderers through a fresh DB read", async () => {
+    const settings = await updateCompressionSettings({
+      rtkConfig: { ...DEFAULT_RTK_CONFIG, enableRenderers: true },
+    });
+    assert.equal(settings.rtkConfig.enableRenderers, true);
+
+    core.resetDbInstance();
+    const reread = await getCompressionSettings();
+    assert.equal(reread.rtkConfig.enableRenderers, true);
+  });
+});