diff --git a/NEWS b/NEWS
index dabdedaf..db85d17b 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,7 @@ NEWS
   * parse If-None-Match for ETag validation (fixes #2578)
   * fix memory leak in mod_status when no counters are set (found by coverity)
   * [mod_magnet] fix segfault when accessing not existing lighty.req_env[] entry (found by coverity)
+  * fix segfault when temp file for upload couldn't be created (found by coverity)
 
 - 1.4.35 - 2014-03-12
   * [network/ssl] fix build error if TLSEXT is disabled
diff --git a/src/chunk.c b/src/chunk.c
index ccdae9ad..38edbb56 100644
--- a/src/chunk.c
+++ b/src/chunk.c
@@ -458,9 +458,9 @@ static int chunkqueue_append_to_tempfile(server *srv, chunkqueue *dest, const ch
 		 * Instead of sending 500 we send 413 and say the request is too large
 		 */
 
-		log_error_write(srv, __FILE__, __LINE__, "sbs",
-				"denying upload as opening temp-file for upload failed:",
-				dst_c->file.name, strerror(errno));
+		log_error_write(srv, __FILE__, __LINE__, "ss",
+			"denying upload as opening temp-file for upload failed:",
+			strerror(errno));
 
 		return -1;
 	}