diff --git a/ChangeLog b/ChangeLog
index 7dd2bb4c..7bdc7012 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -20,6 +20,10 @@ Fernando Lopez-Lezcano
   Jackdmp changes log
 ---------------------------
 
+2008-03-26 Stephane Letz  <letz@grame.fr>
+		
+	* JackWrapperAPI.cpp: use open_library in jack_client_name_size, jack_port_name_size and jack_port_type_size.
+
 2008-03-20 Stephane Letz  <letz@grame.fr>
 		
 	* Transport timebase fix.
diff --git a/common/JackAPIWrapper.cpp b/common/JackAPIWrapper.cpp
index 6eb4481e..1d13cc89 100644
--- a/common/JackAPIWrapper.cpp
+++ b/common/JackAPIWrapper.cpp
@@ -961,6 +961,9 @@ static jack_client_name_size_fun_def jack_client_name_size_fun = 0;
 EXPORT int jack_client_name_size(void)
 {
     jack_log("jack_client_name_size");
+    // Library check...
+    if (!open_library())
+        return 0;
     return (*jack_client_name_size_fun)();
 }
 
@@ -969,6 +972,9 @@ static jack_port_name_size_fun_def jack_port_name_size_fun = 0;
 EXPORT int jack_port_name_size(void)
 {
     jack_log("jack_port_name_size");
+    // Library check...
+    if (!open_library())
+        return 0;
     return (*jack_port_name_size_fun)();
 }
 
@@ -977,6 +983,9 @@ static jack_port_type_size_fun_def jack_port_type_size_fun = 0;
 EXPORT int jack_port_type_size(void)
 {
     jack_log("jack_port_type_size");
+    // Library check...
+    if (!open_library())
+        return 0;
     return (*jack_port_type_size_fun)();
 }
 
diff --git a/common/JackClient.cpp b/common/JackClient.cpp
index a0b89ba7..19ca0754 100644
--- a/common/JackClient.cpp
+++ b/common/JackClient.cpp
@@ -502,7 +502,7 @@ int JackClient::PortRegister(const char* port_name, const char* port_type, unsig
         return 0; // Means failure here...
     }
 
-    jack_log("JackClient::PortRegister ref = %ld  name = %s type = %s", GetClientControl()->fRefNum, name.c_str(), port_type);
+    jack_log("JackClient::PortRegister ref = %ld name = %s type = %s", GetClientControl()->fRefNum, name.c_str(), port_type);
 
     int result = -1;
     unsigned int port_index = NO_PORT;