diff --git a/examples/test_port_connect_cb.nim b/examples/test_port_connect_cb.nim
index b242177..2b96194 100644
--- a/examples/test_port_connect_cb.nim
+++ b/examples/test_port_connect_cb.nim
@@ -11,7 +11,7 @@ proc errorCb(msg: cstring) {.cdecl.} =
     # default. Pass ``lvlAll`` when creating the logger to enable them.
     debug "JACK error: " & $msg
 
-proc cleanup(sig: cint) {.noconv.} =
+proc cleanup(sig: cint = 0) {.noconv.} =
     debug "Cleaning up..."
 
     if jclient != nil:
@@ -62,4 +62,4 @@ if jclient.activate() == 0:
     while true:
         sleep(50)
 
-cleanup()
\ No newline at end of file
+cleanup() # normally not reached
diff --git a/examples/test_port_register.nim b/examples/test_port_register.nim
index 1a49885..f9f313d 100644
--- a/examples/test_port_register.nim
+++ b/examples/test_port_register.nim
@@ -32,7 +32,7 @@ if jclient == nil:
 when defined(windows):
     setSignalProc(cleanup, SIGABRT, SIGINT, SIGTERM)
 else:
-    setSignalProc(cleanup, SIGHUP, SIGINT, SIGQUIT, SIGTERM)
+    setSignalProc(cleanup, SIGABRT, SIGHUP, SIGINT, SIGQUIT, SIGTERM)
 
 discard jclient.portRegister("in_1", JACK_DEFAULT_AUDIO_TYPE, PortIsInput.ord, 0)
 discard jclient.portRegister("out_1", JACK_DEFAULT_AUDIO_TYPE, PortIsOutput.ord, 0)