diff --git a/git/config.py b/git/config.py
@@ -508,6 +508,8 @@ def string_decode(v: str) -> str:
                    if len(optval) > 1 and optval[0] == '"' and optval[-1] != '"':
                        is_multi_line = True
                        optval = string_decode(optval[1:])
                    # END handle multi-line
                    # Preserves multiple values for duplicate optnames.
                    cursect.add(optname, optval)

diff --git a/test/fixtures/git_config_with_quotes b/test/fixtures/git_config_with_quotes
@@ -0,0 +1,3 @@