diff --git a/src/services/health.ts b/src/services/health.ts
index 2f0d0a4..92fc11c 100644
--- a/src/services/health.ts
+++ b/src/services/health.ts
@@ -123,7 +123,7 @@ export async function probeAll(config: ObsidianRagConfig): Promise<ProbeResult>
 
 function resolveDataDir(): string {
   const cwd = process.cwd();
-  const devDataDir = resolve(cwd, ".obsidian-rag");
+  const devDataDir = resolve(cwd, "obsidian-rag");
   const devVaultMarker = resolve(cwd, "KnowledgeVault");
   if (existsSync(devDataDir) || existsSync(devVaultMarker)) {
     return devDataDir;
diff --git a/src/services/indexer-bridge.ts b/src/services/indexer-bridge.ts
index 874c6e5..2d9a5c7 100644
--- a/src/services/indexer-bridge.ts
+++ b/src/services/indexer-bridge.ts
@@ -121,7 +121,7 @@ export function readSyncResult(config: ObsidianRagConfig): {
 
 function _resolveDataDir(): string {
   const cwd = process.cwd();
-  const devDataDir = resolve(cwd, ".obsidian-rag");
+  const devDataDir = resolve(cwd, "obsidian-rag");
   const devVaultMarker = resolve(cwd, "KnowledgeVault");
   if (existsSync(devDataDir) || existsSync(devVaultMarker)) {
     return devDataDir;