diff --git a/fpicker/source/aqua/AquaFilePickerDelegate.hxx b/fpicker/source/aqua/AquaFilePickerDelegate.hxx
index 9515cdb59aa9..e17defb2b712 100644
--- a/fpicker/source/aqua/AquaFilePickerDelegate.hxx
+++ b/fpicker/source/aqua/AquaFilePickerDelegate.hxx
@@ -45,7 +45,7 @@ class FilterHelper;
 
 - (void)setFilterHelper:(FilterHelper*)filterHelper;
 
-- (MacOSBOOL)panel:(id)sender shouldShowFilename:(NSString *)filename;
+- (BOOL)panel:(id)sender shouldShowFilename:(NSString *)filename;
 - (void)panelSelectionDidChange:(id)sender;
 - (void)panel:(id)sender directoryDidChange:(NSString *)path;
 
diff --git a/fpicker/source/aqua/AquaFilePickerDelegate.mm b/fpicker/source/aqua/AquaFilePickerDelegate.mm
index 4266453a7102..d5c906281475 100644
--- a/fpicker/source/aqua/AquaFilePickerDelegate.mm
+++ b/fpicker/source/aqua/AquaFilePickerDelegate.mm
@@ -56,7 +56,7 @@
 
 #pragma mark NSSavePanel delegate methods
 
-- (MacOSBOOL)panel:(id)sender shouldShowFilename:(NSString *)filename
+- (BOOL)panel:(id)sender shouldShowFilename:(NSString *)filename
 {
     if( filterHelper == NULL )
         return true;
diff --git a/fpicker/source/aqua/NSURL_OOoAdditions.mm b/fpicker/source/aqua/NSURL_OOoAdditions.mm
index ecc38b7e232b..6be80a765228 100644
--- a/fpicker/source/aqua/NSURL_OOoAdditions.mm
+++ b/fpicker/source/aqua/NSURL_OOoAdditions.mm
@@ -92,8 +92,8 @@ NSString* resolveAlias( NSString* i_pSystemPath )
         FSRef rFS;
         if( CFURLGetFSRef( rUrl, &rFS ) )
         {
-            MacOSBoolean bIsFolder = false;
-            MacOSBoolean bAlias = false;
+            Boolean bIsFolder = false;
+            Boolean bAlias = false;
             OSErr err = FSResolveAliasFile( &rFS, true, &bIsFolder, &bAlias);
             if( (err == noErr) && bAlias )
             {