diff --git a/frontend/index.html b/frontend/index.html
index c29149e..b08d480 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -7820,10 +7820,12 @@ async function profilerScanCard(ignoreFids, ignoreNames, fciMode, onProgress, ma
 	const files = [];
 	const seen = new Set();
 
-	// dir: { name, fid, parentSel (to select this dir), pathPrefix (rule-path segs for its children) }
+	// dir: { name, fid, parentSel (legacy), parentPath (full path of this dir),
+	//        pathPrefix (rule-path segs for its children) }
 	async function walkDir(dir) {
 		let body = { name: dir.name, fid: dir.fid };
-		if (dir.parentPath && dir.parentPath.length) body.parent_path = dir.parentPath;
+		const parentPath = (dir.parentPath || []).slice(0, -1);
+		if (parentPath.length) body.parent_path = parentPath;
 		if (dir.parentSel) body.parent_sel = dir.parentSel;
 		let data;
 		try {
@@ -7835,12 +7837,13 @@ async function profilerScanCard(ignoreFids, ignoreNames, fciMode, onProgress, ma
 			const parentSel = (dir.name === 'MF') ? 'MF'
 				: (dir.name && dir.name.startsWith('ADF.')) ? dir.name
 				: (dir.fid ? dir.fid : dir.name);
+			const childSeg = c.aid ? c.aid.toUpperCase() : (c.fid ? c.fid : c.name);
 			if (c.isDir) {
 				// ADF roots use the AID, not the generic ADF fid
 				const childPrefix = c.aid ? [c.aid.toUpperCase()]
 					: dir.pathPrefix.concat(c.fid ? c.fid.toUpperCase() : c.name);
-				const childParentPath = (dir.parentPath || []).concat(c.aid ? c.aid.toUpperCase() : (c.fid ? c.fid : c.name));
-				await walkDir({ name: c.name, fid: c.fid, parentSel: parentSel, parentPath: childParentPath, pathPrefix: childPrefix });
+				const childDirPath = dir.parentPath.concat(childSeg);
+				await walkDir({ name: c.name, fid: c.fid, parentSel: parentSel, parentPath: childDirPath, pathPrefix: childPrefix });
 			} else {
 				const childPath = dir.pathPrefix.concat(c.fid ? c.fid.toUpperCase() : c.name).join('/');
 				if (seen.has(childPath)) continue;
diff --git a/frontend/sw.js b/frontend/sw.js
index 20efe1c..e4f8e0e 100644
--- a/frontend/sw.js
+++ b/frontend/sw.js
@@ -1,4 +1,4 @@
-const CACHE = 'otaman-v132';
+const CACHE = 'otaman-v133';
 const URLS = [
   'index.html',
   'help.html',
diff --git a/frontend/tests/profiler.test.js b/frontend/tests/profiler.test.js
index b4036e2..cd02da7 100644
--- a/frontend/tests/profiler.test.js
+++ b/frontend/tests/profiler.test.js
@@ -947,6 +947,32 @@ test('profilerScanCard snapshot mode builds snapshot entries with ICCID', async
 	delete global.pysimCustomFiles;
 });
 
+test('profilerScanCard walks nested dirs with their parent path, not their own segment', async () => {
+	global.pysimCustomFiles = [];
+	const treeCalls = [];
+	global.pysimFetch = async (path, body) => {
+		if (path === '/api/tree') {
+			treeCalls.push(body);
+			if (body.name === 'MF') return { exists: true, name: 'MF', children: [
+				{ name: 'EF.DIR', fid: '2f00', isDir: false },
+				{ name: 'DF.GSM', fid: '7f20', isDir: true },
+			] };
+			if (body.name === 'DF.GSM') return { exists: true, name: 'DF.GSM', children: [
+				{ name: 'EF.ADN', fid: '6f3a', isDir: false },
+			] };
+			throw new Error('unexpected tree ' + body.name);
+		}
+		if (path === '/api/select') return { name: 'X', fid: '0000', file_type: 'transparent', file_size: 1, record_len: null, num_of_rec: null, exists: true };
+		if (path === '/api/read') return { success: true, data: 'AA' };
+		throw new Error('unexpected ' + path);
+	};
+	const files = await profilerScanCard(new Set(), new Set(), 'type', undefined, new Set(), 'snapshot');
+	// MF root has no parent; DF.GSM must be looked up under MF, not under itself
+	assert.deepStrictEqual(treeCalls.map(b => b.parent_path), [undefined, ['MF']]);
+	assert.deepStrictEqual(files.map(f => f.path).sort(), ['MF/2F00', 'MF/7F20/6F3A']);
+	delete global.pysimCustomFiles;
+});
+
 test('profilerListSwitch toggles the profiles/snapshots tabs', () => {
 	const mkBtn = tab => ({
 		dataset: { listTab: tab },