diff --git a/modules/proxy/mod_proxy.c b/modules/proxy/mod_proxy.c
index f0254ef4a0..00c1c25b0a 100644
--- a/modules/proxy/mod_proxy.c
+++ b/modules/proxy/mod_proxy.c
@@ -297,6 +297,9 @@ static const char *set_worker_param(apr_pool_t *p,
         worker->conn_timeout = timeout;
         worker->conn_timeout_set = 1;
     }
+    else if (!strcasecmp(key, "flusher")) {
+        worker->flusher = apr_pstrdup(p, val);
+    }
     else {
         return "unknown Worker parameter";
     }
diff --git a/modules/proxy/mod_proxy.h b/modules/proxy/mod_proxy.h
index a81694417f..70996983d2 100644
--- a/modules/proxy/mod_proxy.h
+++ b/modules/proxy/mod_proxy.h
@@ -354,6 +354,7 @@ struct proxy_worker {
     char            disablereuse_set;
     apr_interval_time_t conn_timeout;
     char            conn_timeout_set;
+    const char      *flusher;  /* flush provider used by mod_proxy_fdpass */
 };
 
 /*
diff --git a/modules/proxy/mod_proxy_fdpass.c b/modules/proxy/mod_proxy_fdpass.c
index 067248cfc8..a59d3c0ce1 100644
--- a/modules/proxy/mod_proxy_fdpass.c
+++ b/modules/proxy/mod_proxy_fdpass.c
@@ -194,7 +194,7 @@ static int proxy_fdpass_handler(request_rec *r, proxy_worker *worker,
 
     {
         int status;
-        const char *flush_method = "flush";
+        const char *flush_method = worker->flusher ? worker->flusher : "flush";
 
         proxy_fdpass_flush *flush = ap_lookup_provider(PROXY_FDPASS_FLUSHER, flush_method, "0");