diff --git a/library/IPA_Emulation.ttcnpp b/library/IPA_Emulation.ttcnpp
index 3180621..3ec6922 100644
--- a/library/IPA_Emulation.ttcnpp
+++ b/library/IPA_Emulation.ttcnpp
@@ -2,7 +2,7 @@
 
 /* This module implements the IPA multiplex protocol on top of TCP, using the IPL4asp
  * test-port as provider.  It implements both client and server roles, as well was the CCM
- * handshake for establishing the identity of the client to the server.  
+ * handshake for establishing the identity of the client to the server.
  *
  * It already knows certain well-known sub-protocols such as A-bis RSL, MGCP and SCCP and
  * GSUP.  IT hence transcodes messages so the user can work with abstract data types rather
@@ -258,7 +258,7 @@
 function f_bind(charstring local_host, IPL4asp_Types.PortNumber local_port,
 		IPA_CCM_Parameters ccm_pars := c_IPA_default_ccm_pars) runs on IPA_Emulation_CT {
 	var IPL4asp_Types.Result res;
-	res := IPA_CodecPort_CtrlFunct.f_IPL4_listen(IPA_PORT, 
+	res := IPA_CodecPort_CtrlFunct.f_IPL4_listen(IPA_PORT,
 						local_host, local_port, { tcp:={} });
 	if (not ispresent(res.connId)) {
 		setverdict(fail, "Could not listen IPA socket ", local_host, ":", local_port, ", check your configuration");