diff --git a/ASLogger/ASLMessage.m b/ASLogger/ASLMessage.m
index e8b06be..fdbe3b6 100644
--- a/ASLogger/ASLMessage.m
+++ b/ASLogger/ASLMessage.m
@@ -209,7 +209,9 @@ - (pid_t) processID
 	if ( value == NULL )
 		return ( (pid_t) 0 );
 	
-	return ( (uid_t) sscanf(value, "%d") );
+    uid_t result = 0;
+	sscanf( value, "%d", &result );
+    return ( result );
 }
 
 - (uid_t) userID
@@ -218,7 +220,9 @@ - (uid_t) userID
 	if ( value == NULL )
 		return ( (uid_t) -1 );
 	
-	return ( (uid_t) sscanf(value, "%d") );
+    uid_t result = 0;
+    sscanf( value, "%d", &result );
+    return ( result );
 }
 
 - (gid_t) groupID
@@ -227,7 +231,9 @@ - (gid_t) groupID
 	if ( value == NULL )
 		return ( (gid_t) -1 );
 	
-	return ( (gid_t) sscanf(value, "%d") );
+    gid_t result = 0;
+	sscanf( value, "%d", &result );
+    return ( result );
 }
 
 - (int) level
@@ -272,7 +278,9 @@ - (uid_t) readUID
 	if ( value == NULL )
 		return ( (uid_t) -1 );
 	
-	return ( (uid_t) sscanf(value, "%d") );
+    uid_t result = 0;
+	sscanf( value, "%d", &result );
+    return ( result );
 }
 
 - (void) setReadUID: (uid_t) readUID
@@ -288,7 +296,9 @@ - (gid_t) readGID
 	if ( value == NULL )
 		return ( (gid_t) -1 );
 	
-	return ( (gid_t) sscanf(value, "%d") );
+    gid_t result = 0;
+	sscanf( value, "%d", &result );
+    return ( result );
 }
 
 - (void) setReadGID: (gid_t) readGID
diff --git a/ASLogger/ASLogger.m b/ASLogger/ASLogger.m
index e4fd60d..d0a40e7 100644
--- a/ASLogger/ASLogger.m
+++ b/ASLogger/ASLogger.m
@@ -110,7 +110,7 @@ - (BOOL) log: (NSString *) format level: (int) level, ...
 	NSString * msg = [[NSString alloc] initWithFormat: format arguments: args];
 	va_end(args);
 	
-	BOOL result = (asl_log(_client, NULL, level, [msg UTF8String]) == 0);
+	BOOL result = (asl_log(_client, NULL, level, [msg UTF8String], NULL) == 0);
 	[msg release];
 	
 	return ( result );
@@ -119,7 +119,7 @@ - (BOOL) log: (NSString *) format level: (int) level, ...
 - (BOOL) log: (NSString *) format level: (int) level args: (va_list) args
 {
 	NSString * msg = [[NSString alloc] initWithFormat: format arguments: args];
-	BOOL result = (asl_log(_client, NULL, level, [msg UTF8String]) == 0);
+	BOOL result = (asl_log(_client, NULL, level, [msg UTF8String], NULL) == 0);
 	[msg release];
 	return ( result );
 }
@@ -131,7 +131,7 @@ - (BOOL) log: (NSString *) format message: (ASLMessage *) message level: (int) l
 	NSString * msg = [[NSString alloc] initWithFormat: format arguments: args];
 	va_end(args);
 	
-	BOOL result = (asl_log(_client, message.aslmessage, level, [msg UTF8String]) == 0);
+	BOOL result = (asl_log(_client, message.aslmessage, level, [msg UTF8String], NULL) == 0);
 	[msg release];
 	
 	return ( result );
@@ -140,7 +140,7 @@ - (BOOL) log: (NSString *) format message: (ASLMessage *) message level: (int) l
 - (BOOL) log: (NSString *) format message: (ASLMessage *) message level: (int) level args: (va_list) args
 {
 	NSString * msg = [[NSString alloc] initWithFormat: format arguments: args];
-	BOOL result = (asl_log(_client, message.aslmessage, level, [msg UTF8String]) == 0);
+	BOOL result = (asl_log(_client, message.aslmessage, level, [msg UTF8String], NULL) == 0);
 	[msg release];
 	return ( result );
 }