diff --git a/packages/tui/src/autocomplete.ts b/packages/tui/src/autocomplete.ts
index 0aeda9d1..84f0be2f 100644
--- a/packages/tui/src/autocomplete.ts
+++ b/packages/tui/src/autocomplete.ts
@@ -101,6 +101,13 @@ function walkDirectoryWithFd(
 		"--type",
 		"d",
 		"--full-path",
+		"--hidden",
+		"--exclude",
+		".git",
+		"--exclude",
+		".git/*",
+		"--exclude",
+		".git/**",
 	];
 
 	// Add query as pattern if provided
@@ -122,6 +129,11 @@ function walkDirectoryWithFd(
 	const results: Array<{ path: string; isDirectory: boolean }> = [];
 
 	for (const line of lines) {
+		const normalizedPath = line.endsWith("/") ? line.slice(0, -1) : line;
+		if (normalizedPath === ".git" || normalizedPath.startsWith(".git/") || normalizedPath.includes("/.git/")) {
+			continue;
+		}
+
 		// fd outputs directories with trailing /
 		const isDirectory = line.endsWith("/");
 		results.push({
diff --git a/packages/tui/test/autocomplete.test.ts b/packages/tui/test/autocomplete.test.ts
index 089cc86b..6713c51f 100644
--- a/packages/tui/test/autocomplete.test.ts
+++ b/packages/tui/test/autocomplete.test.ts
@@ -247,6 +247,26 @@ describe("CombinedAutocompleteProvider", () => {
 			assert.ok(values?.includes('@"my folder/"'));
 		});
 
+		test("includes hidden paths but excludes .git", () => {
+			setupFolder(baseDir, {
+				dirs: [".pi", ".github", ".git"],
+				files: {
+					".pi/config.json": "{}",
+					".github/workflows/ci.yml": "name: ci",
+					".git/config": "[core]",
+				},
+			});
+
+			const provider = new CombinedAutocompleteProvider([], baseDir, requireFdPath());
+			const line = "@";
+			const result = provider.getSuggestions([line], 0, line.length);
+
+			const values = result?.items.map((item) => item.value) ?? [];
+			assert.ok(values.includes("@.pi/"));
+			assert.ok(values.includes("@.github/"));
+			assert.ok(!values.some((value) => value === "@.git" || value.startsWith("@.git/")));
+		});
+
 		test("continues autocomplete inside quoted @ paths", () => {
 			setupFolder(baseDir, {
 				files: {