diff --git a/ChangeLog b/ChangeLog
index 77a5edd3..0ccfb574 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -35,6 +35,10 @@ Chris Caudle
   Jackdmp changes log
 ---------------------------
 
+2011-07-23 Stephane Letz  <letz@grame.fr>
+
+	* Possible fix for http://trac.jackaudio.org/ticket/193.
+
 2011-07-22 Stephane Letz  <letz@grame.fr>
 
 	* NetJack2: improve error reporting.
diff --git a/common/JackChannel.h b/common/JackChannel.h
index bb79d456..5979ba8e 100644
--- a/common/JackChannel.h
+++ b/common/JackChannel.h
@@ -74,7 +74,7 @@ class JackClientChannelInterface
             return -1;
         }
 
-        virtual void ClientCheck(const char* name, int uuid, char* name_res, int protocol, int options, int* status, int* result, int open = false)
+        virtual void ClientCheck(const char* name, int uuid, char* name_res, int protocol, int options, int* status, int* result, int open)
         {}
         virtual void ClientOpen(const char* name, int pid, int uuid, int* shared_engine, int* shared_client, int* shared_graph, int* result)
         {}
diff --git a/common/JackInternalClient.cpp b/common/JackInternalClient.cpp
index fc2e9a7f..0882d5ad 100644
--- a/common/JackInternalClient.cpp
+++ b/common/JackInternalClient.cpp
@@ -71,7 +71,7 @@ int JackInternalClient::Open(const char* server_name, const char* name, int uuid
 
     strncpy(fServerName, server_name, sizeof(fServerName));
 
-    fChannel->ClientCheck(name, uuid, name_res, JACK_PROTOCOL_VERSION, (int)options, (int*)status, &result);
+    fChannel->ClientCheck(name, uuid, name_res, JACK_PROTOCOL_VERSION, (int)options, (int*)status, &result, false);
     if (result < 0) {
         int status1 = *status;
         if (status1 & JackVersionError) {
diff --git a/common/JackInternalClientChannel.h b/common/JackInternalClientChannel.h
index dc81ac8c..eb986ae4 100644
--- a/common/JackInternalClientChannel.h
+++ b/common/JackInternalClientChannel.h
@@ -50,7 +50,7 @@ class JackInternalClientChannel : public detail::JackClientChannelInterface
             return 0;
         }
 
-        void ClientCheck(const char* name, int uuid, char* name_res, int protocol, int options, int* status, int* result)
+        void ClientCheck(const char* name, int uuid, char* name_res, int protocol, int options, int* status, int* result, int open)
         {
             *result = fEngine->ClientCheck(name, uuid, name_res, protocol, options, status);
         }