diff --git a/CHANGES b/CHANGES
index f910540d38..09c23071eb 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,13 +2,16 @@
 Changes with Apache 2.3.2
 [ When backported to 2.2.x, remove entry from this file ]
 
+ *) mod_ssl: Fix merging of SSLRenegBufferSize directive. PR 46508
+    [<tlhackque yahoo.com>]
+
  *) core: Translate the the status line to ASCII on EBCDIC platforms in
     ap_send_interim_response() and for locally generated "100 Continue"
     responses.  [Eric Covener]
 
  *) mod_authnz_ldap: Reduce number of initialization debug messages and make
     information more clear. PR 46342 [Dan Poirier]
- 
+
  *) prefork: Fix child process hang during graceful restart/stop in
     configurations with multiple listening sockets.  PR 42829.  [Joe Orton,
     Jeff Trawick]
diff --git a/modules/ssl/ssl_engine_config.c b/modules/ssl/ssl_engine_config.c
index 624e29befc..6e4a1f26e1 100644
--- a/modules/ssl/ssl_engine_config.c
+++ b/modules/ssl/ssl_engine_config.c
@@ -295,7 +295,7 @@ void *ssl_config_perdir_create(apr_pool_t *p, char *dir)
     dc->szCACertificateFile    = NULL;
     dc->szUserName             = NULL;
 
-    dc->nRenegBufferSize = DEFAULT_RENEG_BUFFER_SIZE;
+    dc->nRenegBufferSize = UNSET;
 
     return dc;
 }
diff --git a/modules/ssl/ssl_engine_kernel.c b/modules/ssl/ssl_engine_kernel.c
index 052051f723..229fc27d3f 100644
--- a/modules/ssl/ssl_engine_kernel.c
+++ b/modules/ssl/ssl_engine_kernel.c
@@ -600,10 +600,13 @@ int ssl_hook_Access(request_rec *r)
                 && strcmp(apr_table_get(r->headers_in, "content-length"), "0")))
         && !r->expecting_100) {
         int rv;
+        apr_size_t rsize;
 
-        if (dc->nRenegBufferSize > 0) {
+        rsize = dc->nRenegBufferSize == UNSET ? DEFAULT_RENEG_BUFFER_SIZE :
+                                                dc->nRenegBufferSize;
+        if (rsize > 0) {
             /* Fill the I/O buffer with the request body if possible. */
-            rv = ssl_io_buffer_fill(r, dc->nRenegBufferSize);
+            rv = ssl_io_buffer_fill(r, rsize);
         }
         else {
             /* If the reneg buffer size is set to zero, just fail. */