diff --git a/libtcc.c b/libtcc.c
index a39bd5f..12ee171 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -753,7 +753,7 @@ static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap)
                 (*pf)->filename, (*pf)->line_num);
         if (f->line_num > 0) {
             strcat_printf(buf, sizeof(buf), "%s:%d: ",
-                f->filename, f->line_num);
+                f->filename, f->line_num - !!(tok_flags & TOK_FLAG_BOL));
         } else {
             strcat_printf(buf, sizeof(buf), "%s: ",
                 f->filename);
diff --git a/tccpp.c b/tccpp.c
index 60f807b..024f9de 100644
--- a/tccpp.c
+++ b/tccpp.c
@@ -1262,11 +1262,8 @@ ST_INLN void define_push(int v, int macro_type, TokenString *str, Sym *first_arg
     s->next = first_arg;
     table_ident[v - TOK_IDENT]->sym_define = s;
 
-    if (o && !macro_is_equal(o->d, s->d)) {
-        file->line_num--;
-        tcc_warning("%s redefined", get_tok_str(v, NULL));
-        file->line_num++;
-    }
+    if (o && !macro_is_equal(o->d, s->d))
+	tcc_warning("%s redefined", get_tok_str(v, NULL));
 }
 
 /* undefined a define symbol. Its name is just set to zero */