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-rw-r--r--src/http/modules/ngx_http_fastcgi_module.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index 773707d7e..dfa5346f5 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -2064,6 +2064,10 @@ ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
prev->upstream.cache_valid, NULL);
+ if (conf->cache_key.value.data == NULL) {
+ conf->cache_key = prev->cache_key;
+ }
+
#endif
ngx_conf_merge_value(conf->upstream.pass_request_headers,