fix range deletion
diff --git a/src/http/modules/ngx_http_geo_module.c b/src/http/modules/ngx_http_geo_module.c
index 5dfa58f..0b20b30 100644
--- a/src/http/modules/ngx_http_geo_module.c
+++ b/src/http/modules/ngx_http_geo_module.c
@@ -699,6 +699,9 @@
             {
                 ngx_memcpy(&range[i], &range[i + 1],
                            (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t));
+
+                a->nelts--;
+
                 break;
             }