--- iis/jk_isapi_plugin.c	(revision 1086410)
+++ iis/jk_isapi_plugin.c	(working copy)
@@ -3216,18 +3216,21 @@ 
                                    sizeof(CONTENT_LENGTH) - 1)) {
                     if (need_content_length_header) {
                         need_content_length_header = FALSE;
-                        /* If the content-length is unknown
-                         * or larger then 4Gb do not send it.
-                         */
-                        if (unknown_content_length || s->is_chunked) {
-                            if (JK_IS_DEBUG_LEVEL(logger)) {
-                                jk_log(logger, JK_LOG_DEBUG,
-                                       "Header Content-Length is %s",
-                                       s->is_chunked ? "chunked" : "unknown");
-                            }
-                            real_header = JK_FALSE;
+                    }
+                    
+					/* If the content-length is unknown
+                     * or larger then 4Gb do not send it.
+                     */
+                    if (unknown_content_length || s->is_chunked) {
+                        if (JK_IS_DEBUG_LEVEL(logger)) {
+                            jk_log(logger, JK_LOG_DEBUG,
+                                  "Header Content-Length is %s",
+                                   s->is_chunked ? "chunked" : "unknown");
                         }
+                        cnt--;
+                        real_header = JK_FALSE;
                     }
+
                     if (real_header)
                         s->headers_names[i] = tmp;
                 }