diff --git a/Event System/Actions/Action-OpenLog.m b/Event System/Actions/Action-OpenLog.m
index dd921ca..3d5d332 100755
--- a/Event System/Actions/Action-OpenLog.m	
+++ b/Event System/Actions/Action-OpenLog.m	
@@ -110,7 +110,7 @@ - (RDLogType *) allocNamedType:(NSString *) logType
 }
 
 
-extern int scrollbackSort(id obj1, id obj2, void *context);
+extern NSInteger scrollbackSort(id obj1, id obj2, void *context);
 
 - (BOOL) executeForState:(AtlantisState *) state
 {
diff --git a/Log System/RDLogOpener.m b/Log System/RDLogOpener.m
index ac35c0f..17ed586 100755
--- a/Log System/RDLogOpener.m	
+++ b/Log System/RDLogOpener.m	
@@ -39,7 +39,7 @@ - (void) dealloc
     [super dealloc];
 }
 
-NSInteger scrollbackSort(id obj1, id obj2, void *context)
+NSInteger scrollbackSort(id obj1, id obj2, void * __nullable context)
 {
     NSAttributedString *st1 = (NSAttributedString *)obj1;
     NSAttributedString *st2 = (NSAttributedString *)obj2;
diff --git a/Scripting/PerlScriptingEngine.m b/Scripting/PerlScriptingEngine.m
index 5c9a8ac..fa1aef5 100755
--- a/Scripting/PerlScriptingEngine.m
+++ b/Scripting/PerlScriptingEngine.m
@@ -195,6 +195,7 @@ - (NSString *) scriptEngineVersion
 //    id perlVersion = [_rdPerlInterpreter valueForKey:@"perlVersion"];
 //
 //    return (NSString *)perlVersion;
+    return @"";
 }
 
 - (NSString *) scriptEngineCopyright