clang-format indents X macros

Question

I'm using c-style X macros to create two way enums like this:

namespace ns
{
#define CFG_INT_TABLE                                                          \
    X(CFG_1, "cfg_1", invalid_int_value),                                      \
    X(CFG_2, "cfg_2", invalid_int_value),                                      \
    X(CFG_3, "cfg_3", 10)

#define X(a,b,c) a
    enum class IntegerConfigs : int
    {
        CFG_INT_TABLE,
        TOTAL_ELEMENTS
    }
#undef X

#define X(a,b,c) b
   array ...
#undef X
    [...]
}

however when running clang-format, It indents the lines like this:

#define CFG_INT_TABLE                                                           \
    X(CFG_1, "cfg_1", invalid_int_value),                                       \
        X(CFG_2, "cfg_2", invalid_int_value),                                   \
        X(CFG_3, "cfg_3", 10)

I couldn't understand from clang-format's options how to indent the code properly, I prefer a fix that only changes .clang-format file and not the code itself if possible.

this is my .clang-format file:

BasedOnStyle: GNU
AccessModifierOffset: -2
ColumnLimit: 100
IndentWidth: 4
AlwaysBreakAfterDefinitionReturnType: None
AlwaysBreakAfterReturnType: None
FixNamespaceComments: true
SpaceBeforeParens: ControlStatements
AllowShortFunctionsOnASingleLine: Empty
NamespaceIndentation: All
BreakConstructorInitializers: AfterColon
ReferenceAlignment: Left
BreakBeforeBraces: Custom
Standard: c++20
AlwaysBreakTemplateDeclarations: Yes
BinPackArguments: false
BinPackParameters: false
BraceWrapping:
  AfterClass: true
  AfterControlStatement: false
  AfterEnum: true
  AfterFunction: true
  AfterNamespace: true
  AfterStruct: true
  AfterUnion: true
  BeforeCatch: false
  BeforeElse: false
  IndentBraces: false

Thank you!