Error C2059 syntax error: for

Dear All,

I am having the following macro definition and I am getting error C2059: syntax error: for

#include <stdio.h>

#define PRINT(n)        { \
                                int i; \
                                
                                for(i = 0; i < n; ++i)\
                                        printf("%d\n", i);\
                        }


int main()
{
        PRINT(20);

        return 0;
}

can anyone help me out?

Thank you