diff --git a/lib/git/escaped_path.rb b/lib/git/escaped_path.rb
index 7519a3ac..73e4f175 100644
--- a/lib/git/escaped_path.rb
+++ b/lib/git/escaped_path.rb
@@ -42,7 +42,7 @@ def unescape
     private
 
     def extract_octal(path, index)
-      [path[index + 1..index + 4].to_i(8), 4]
+      [path[index + 1..index + 3].to_i(8), 4]
     end
 
     def extract_escape(path, index)
diff --git a/tests/units/test_escaped_path.rb b/tests/units/test_escaped_path.rb
index 38230e4f..2814004c 100755
--- a/tests/units/test_escaped_path.rb
+++ b/tests/units/test_escaped_path.rb
@@ -21,6 +21,12 @@ def test_unicode_path
     assert_equal(expected_unescaped_path, Git::EscapedPath.new(path).unescape)
   end
 
+  def test_unicode_path2
+    path = 'test\320\2411991923'
+    expected_unescaped_path = 'testС1991923'
+    assert_equal(expected_unescaped_path, Git::EscapedPath.new(path).unescape)
+  end
+
   def test_single_char_escapes
     Git::EscapedPath::UNESCAPES.each_pair do |escape_char, expected_char|
       path = "\\#{escape_char}"