diff --git a/src/defaults.rs b/src/defaults.rs
index c82ddcc..fa068dc 100644
--- a/src/defaults.rs
+++ b/src/defaults.rs
@@ -51,8 +51,11 @@ pub const BINARY_FILE_EXTENSIONS: &[&str] = &[
     "wma", "ra", "ram", "ape", "opus", "amr", "awb",
 
     // Video
+    // Note: .ts (MPEG transport stream) extension is intentionally excluded
+    // to avoid conflicts with TypeScript files, which are more common in code repositories.
+    // Actual binary .ts files will still be detected via content inspection.
     "mp4", "m4v", "mov", "avi", "wmv", "mkv", "flv", "f4v", "f4p", "f4a", "f4b", "3gp",
-    "3g2", "mpeg", "mpg", "mpe", "m1v", "m2v", "ts", "mts", "m2ts", "vob", "rm", "rmvb",
+    "3g2", "mpeg", "mpg", "mpe", "m1v", "m2v", "mts", "m2ts", "vob", "rm", "rmvb",
     "asf", "ogv", "ogm", "webm", "dv", "divx", "xvid",
 
     // Font Files
diff --git a/tests/lib_test.rs b/tests/lib_test.rs
index 87d89f0..2741b94 100644
--- a/tests/lib_test.rs
+++ b/tests/lib_test.rs
@@ -207,6 +207,43 @@ mod lib_tests {
         assert!(is_text_file(&utf8_file, &[]).unwrap());
     }
 
+    #[test]
+    fn test_typescript_files_not_treated_as_binary() {
+        // Test that .ts files (TypeScript) are correctly treated as text files
+        // and not confused with .ts video transport stream files
+        use yek::defaults::BINARY_FILE_EXTENSIONS;
+
+        let dir = tempdir().unwrap();
+        let ts_file = dir.path().join("example.ts");
+
+        // Create a typical TypeScript file with text content
+        fs::write(
+            &ts_file,
+            "interface User {\n  name: string;\n  age: number;\n}\n",
+        )
+        .unwrap();
+
+        // Check that "ts" is NOT in the binary extensions list
+        assert!(
+            !BINARY_FILE_EXTENSIONS.contains(&"ts"),
+            "TypeScript extension 'ts' should not be in binary extensions list"
+        );
+
+        // Verify the file is detected as text
+        assert!(
+            is_text_file(
+                &ts_file,
+                BINARY_FILE_EXTENSIONS
+                    .iter()
+                    .map(|s| s.to_string())
+                    .collect::<Vec<_>>()
+                    .as_slice()
+            )
+            .unwrap(),
+            "TypeScript files should be detected as text files"
+        );
+    }
+
     #[test]
     fn test_is_text_file_large_text_file() {
         let dir = tempdir().unwrap();