diff --git a/doc/Changelog b/doc/Changelog
index 94ea51d01..8e7965d22 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -2,6 +2,7 @@
 	- updated contrib/fastrpz.patch to apply for this version
 	- dnscrypt.c removed sizeof to get array bounds.
 	- Fix clang analyzer for optimize compile analysis.
+	- Fix testlock code to set noreturn on error routine.
 
 1 October 2018: Wouter
 	- tag for release 1.8.1rc1.
diff --git a/testcode/checklocks.c b/testcode/checklocks.c
index 7e6f0bb5d..1b5ef282b 100644
--- a/testcode/checklocks.c
+++ b/testcode/checklocks.c
@@ -71,6 +71,9 @@ static pid_t check_lock_pid;
 
 /** print all possible debug info on the state of the system */
 static void total_debug_info(void);
+/** print pretty lock error and exit (decl for NORETURN attribute) */
+static void lock_error(struct checked_lock* lock, const char* func,
+	const char* file, int line, const char* err) ATTR_NORETURN;
 
 /** print pretty lock error and exit */
 static void lock_error(struct checked_lock* lock,