diff --git a/library/Osmocom_CTRL_Adapter.ttcn b/library/Osmocom_CTRL_Adapter.ttcn
index e1fba1b..adc2887 100644
--- a/library/Osmocom_CTRL_Adapter.ttcn
+++ b/library/Osmocom_CTRL_Adapter.ttcn
@@ -81,7 +81,8 @@
 	map(vc_CTRL_IPA:IPA_PORT, system:IPA_CODEC_PT);
 	connect(vc_CTRL_IPA:IPA_CTRL_PORT, self:IPA_CTRL);
 
-	vc_CTRL_IPA.start(IPA_Emulation.main_server(listen_host, listen_port, false));
+	vc_CTRL_IPA.start(IPA_Emulation.main_server(listen_host, listen_port, false,
+			  server_stop_on_ipa_ev_down := false));
 }
 
 function f_ipa_ctrl_stop() runs on CTRL_Adapter_CT {