diff --git a/src/KBrowserWindowController.h b/src/KBrowserWindowController.h
index 427b258..f9971a6 100644
--- a/src/KBrowserWindowController.h
+++ b/src/KBrowserWindowController.h
@@ -31,4 +31,5 @@
 
 - (BOOL)openFileDirectoryAtURL:(NSURL *)absoluteURL error:(NSError **)outError;
 
+- (BOOL)reopenDirectoryIfOpen;
 @end
diff --git a/src/KBrowserWindowController.mm b/src/KBrowserWindowController.mm
index 14f92e2..4413522 100644
--- a/src/KBrowserWindowController.mm
+++ b/src/KBrowserWindowController.mm
@@ -261,7 +261,6 @@ - (BOOL)validateMenuItem:(NSMenuItem *)item {
   return y;
 }
 
-
 #pragma mark -
 #pragma mark Notifications
 
@@ -436,4 +435,12 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(N
   }
 }
 
+- (BOOL)reopenDirectoryIfOpen {
+  NSURL *absoluteURL = ((KToolbarController *)toolbarController_).directoryURL;
+  if (absoluteURL) {
+    NSError *error = nil;
+    return [self openFileDirectoryAtURL:absoluteURL error:&error];
+  }
+}
+
 @end
diff --git a/src/KDocument.mm b/src/KDocument.mm
index 3c02e80..e63ee5f 100644
--- a/src/KDocument.mm
+++ b/src/KDocument.mm
@@ -1742,6 +1742,10 @@ - (BOOL)saveToURL:(NSURL*)absoluteURL
       // TODO(rsms): guess syntax/language
     }
 
+    // We need to reload the file tree in the sidebar, because we may have
+    // created a new file (if it was "saved as").
+    [self.windowController reopenDirectoryIfOpen];
+
     // unfreeze tab
     if (tabWasEditable)
       self.isEditable = YES;
diff --git a/src/KFileTreeController.mm b/src/KFileTreeController.mm
index 3136b75..4e2a020 100644
--- a/src/KFileTreeController.mm
+++ b/src/KFileTreeController.mm
@@ -157,7 +157,6 @@ - (NSTreeNode*)treeNodeFromDirectoryAtPath:(NSString*)path
   });
 }*/
 
-
 #pragma mark -
 #pragma mark NSOutlineViewDataSource methods