diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index b7d07da..aa2dcd7 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -2432,6 +2432,20 @@
     ngx_hash_init_t               hash;
     ngx_http_core_loc_conf_t     *clcf;
 
+#if (NGX_HTTP_CACHE)
+
+    if (conf->upstream.store > 0) {
+        conf->upstream.cache = NULL;
+    }
+
+    if (conf->upstream.cache != NGX_CONF_UNSET_PTR
+        && conf->upstream.cache != NULL)
+    {
+        conf->upstream.store = 0;
+    }
+
+#endif
+
     if (conf->upstream.store == NGX_CONF_UNSET) {
         ngx_conf_merge_value(conf->upstream.store,
                               prev->upstream.store, 0);
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 323d03d..69a704c 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -2624,6 +2624,20 @@
     ngx_http_proxy_rewrite_t   *pr;
     ngx_http_script_compile_t   sc;
 
+#if (NGX_HTTP_CACHE)
+
+    if (conf->upstream.store > 0) {
+        conf->upstream.cache = NULL;
+    }
+
+    if (conf->upstream.cache != NGX_CONF_UNSET_PTR
+        && conf->upstream.cache != NULL)
+    {
+        conf->upstream.store = 0;
+    }
+
+#endif
+
     if (conf->upstream.store == NGX_CONF_UNSET) {
         ngx_conf_merge_value(conf->upstream.store,
                               prev->upstream.store, 0);
diff --git a/src/http/modules/ngx_http_scgi_module.c b/src/http/modules/ngx_http_scgi_module.c
index 8369d56..fed916a 100644
--- a/src/http/modules/ngx_http_scgi_module.c
+++ b/src/http/modules/ngx_http_scgi_module.c
@@ -1186,6 +1186,20 @@
     ngx_hash_init_t               hash;
     ngx_http_core_loc_conf_t     *clcf;
 
+#if (NGX_HTTP_CACHE)
+
+    if (conf->upstream.store > 0) {
+        conf->upstream.cache = NULL;
+    }
+
+    if (conf->upstream.cache != NGX_CONF_UNSET_PTR
+        && conf->upstream.cache != NULL)
+    {
+        conf->upstream.store = 0;
+    }
+
+#endif
+
     if (conf->upstream.store == NGX_CONF_UNSET) {
         ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
 
diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index 0243e00..85db422 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -1400,6 +1400,20 @@
     ngx_hash_init_t               hash;
     ngx_http_core_loc_conf_t     *clcf;
 
+#if (NGX_HTTP_CACHE)
+
+    if (conf->upstream.store > 0) {
+        conf->upstream.cache = NULL;
+    }
+
+    if (conf->upstream.cache != NGX_CONF_UNSET_PTR
+        && conf->upstream.cache != NULL)
+    {
+        conf->upstream.store = 0;
+    }
+
+#endif
+
     if (conf->upstream.store == NGX_CONF_UNSET) {
         ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);