diff --git a/changes-entries/pr69402.txt b/changes-entries/pr69402.txt
new file mode 100644
index 0000000..18a7dc7
--- /dev/null
+++ b/changes-entries/pr69402.txt
@@ -0,0 +1,2 @@
+  *) mod_proxy_ajp: Use iobuffersize set on worker level for the IO buffer
+     size. PR 69402 [Jari Ahonen <jah@progress.com>]
diff --git a/modules/proxy/mod_proxy_ajp.c b/modules/proxy/mod_proxy_ajp.c
index c27385c..9c6573b 100644
--- a/modules/proxy/mod_proxy_ajp.c
+++ b/modules/proxy/mod_proxy_ajp.c
@@ -218,6 +218,9 @@
 
     if (psf->io_buffer_size_set)
        maxsize = psf->io_buffer_size;
+    /* Override with worker setting if present */
+    if (conn->worker->s->io_buffer_size_set)
+       maxsize = conn->worker->s->io_buffer_size;
     if (maxsize > AJP_MAX_BUFFER_SZ)
        maxsize = AJP_MAX_BUFFER_SZ;
     else if (maxsize < AJP_MSG_BUFFER_SZ)