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-rw-r--r--src/http/modules/ngx_http_geo_module.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/http/modules/ngx_http_geo_module.c b/src/http/modules/ngx_http_geo_module.c
index 0ec8d093b..a184a7ae3 100644
--- a/src/http/modules/ngx_http_geo_module.c
+++ b/src/http/modules/ngx_http_geo_module.c
@@ -589,7 +589,7 @@ ngx_http_geo_add_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
ngx_array_t *a;
ngx_http_geo_range_t *range;
- for (n = start; n <= end; n += 0x10000) {
+ for (n = start; n <= end; n = (n + 0x10000) & 0xffff0000) {
h = n >> 16;