diff --git a/CHANGES b/CHANGES
index e0f13017..6aac54dd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,8 @@
 ?? ???? ???? - 2.1.3-rc1
 ------------------------
 
+ * Do not block internal ErrorDocument requests.
+
  * Added ability to compile without an external API (-DNO_MODSEC_API).
 
 
diff --git a/apache2/mod_security2.c b/apache2/mod_security2.c
index e0eeb21a..265152d1 100644
--- a/apache2/mod_security2.c
+++ b/apache2/mod_security2.c
@@ -583,6 +583,13 @@ static int hook_request_late(request_rec *r) {
 
     /* Has this phase been completed already? */
     if (msr->phase_request_body_complete) {
+        /* If we are redirecting and there was no previous response it is
+         * an error page request and we ignore it.
+         */
+        if ((msr->r->prev != NULL) && (msr->r->prev->headers_out == NULL || apr_is_empty_table(msr->r->prev->headers_out))) {
+            msr_log(msr, 9, "Allowing internally redirected error document: %s", msr->r->uri);
+            return DECLINED;
+        }
         if (msr->was_intercepted) {
             msr_log(msr, 4, "Phase REQUEST_BODY request already intercepted. Intercepting additional request.");
             return perform_interception(msr);