diff --git a/src/http/modules/ngx_http_ssi_filter_module.c b/src/http/modules/ngx_http_ssi_filter_module.c
index 65ca03440..4273dc739 100644
--- a/src/http/modules/ngx_http_ssi_filter_module.c
+++ b/src/http/modules/ngx_http_ssi_filter_module.c
@@ -325,6 +325,39 @@ static ngx_http_variable_t  ngx_http_ssi_vars[] = {
 };
 
 
+static ngx_http_ssi_ctx_t *
+ngx_http_ssi_create_ctx(ngx_http_request_t *r)
+{
+    ngx_http_ssi_ctx_t       *ctx;
+    ngx_http_ssi_loc_conf_t  *slcf;
+
+    ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
+    if (ctx == NULL) {
+        return NULL;
+    }
+
+    ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
+
+    slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
+
+    ctx->value_len = slcf->value_len;
+    ctx->last_out = &ctx->out;
+
+    ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
+    ctx->output = 1;
+
+    ctx->params.elts = ctx->params_array;
+    ctx->params.size = sizeof(ngx_table_elt_t);
+    ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
+    ctx->params.pool = r->pool;
+
+    ctx->timefmt = ngx_http_ssi_timefmt;
+    ngx_str_set(&ctx->errmsg,
+                "[an error occurred while processing the directive]");
+
+    return ctx;
+}
+
 
 static ngx_int_t
 ngx_http_ssi_header_filter(ngx_http_request_t *r)
@@ -343,29 +376,11 @@ ngx_http_ssi_header_filter(ngx_http_request_t *r)
 
     mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
 
-    ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
+    ctx = ngx_http_ssi_create_ctx(r);
     if (ctx == NULL) {
         return NGX_ERROR;
     }
 
-    ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
-
-
-    ctx->value_len = slcf->value_len;
-    ctx->last_out = &ctx->out;
-
-    ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING;
-    ctx->output = 1;
-
-    ctx->params.elts = ctx->params_array;
-    ctx->params.size = sizeof(ngx_table_elt_t);
-    ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
-    ctx->params.pool = r->pool;
-
-    ctx->timefmt = ngx_http_ssi_timefmt;
-    ngx_str_set(&ctx->errmsg,
-                "[an error occurred while processing the directive]");
-
     r->filter_need_in_memory = 1;
 
     if (r == r->main) {
@@ -2232,12 +2247,28 @@ ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
 static ngx_int_t
 ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc)
 {
-    ngx_chain_t  *out;
+    ngx_chain_t        *out;
+    ngx_http_ssi_ctx_t *ctx;
 
     if (rc == NGX_ERROR || r->connection->error || r->request_output) {
         return rc;
     }
 
+    ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
+
+    if (ctx && ctx->stub_output_done) {
+        return NGX_OK;
+    }
+
+    if (ctx == NULL) {
+        ctx = ngx_http_ssi_create_ctx(r);
+        if (ctx == NULL) {
+            return NGX_ERROR;
+        }
+    }
+
+    ctx->stub_output_done = 1;
+
     ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                    "ssi stub output: \"%V?%V\"", &r->uri, &r->args);
 
diff --git a/src/http/modules/ngx_http_ssi_filter_module.h b/src/http/modules/ngx_http_ssi_filter_module.h
index 419bf977d..eb61040be 100644
--- a/src/http/modules/ngx_http_ssi_filter_module.h
+++ b/src/http/modules/ngx_http_ssi_filter_module.h
@@ -82,6 +82,8 @@ typedef struct {
     void                     *value_buf;
     ngx_str_t                 timefmt;
     ngx_str_t                 errmsg;
+
+    ngx_uint_t                stub_output_done;
 } ngx_http_ssi_ctx_t;