diff --git a/PBGitHistoryController.h b/PBGitHistoryController.h
index 840d8c4..228e2a2 100644
--- a/PBGitHistoryController.h
+++ b/PBGitHistoryController.h
@@ -33,7 +33,7 @@
 	IBOutlet PBCommitList* commitList;
 	IBOutlet NSSplitView *historySplitView;
 	IBOutlet PBWebHistoryController *webHistoryController;
-    QLPreviewPanel* previewPanel;
+	QLPreviewPanel* previewPanel;
 	IBOutlet PBHistorySearchController *searchController;
 	IBOutlet GLFileView *fileView;
 
diff --git a/PBGitHistoryController.m b/PBGitHistoryController.m
index 4d1a787..64630e1 100644
--- a/PBGitHistoryController.m
+++ b/PBGitHistoryController.m
@@ -94,7 +94,7 @@
     
 
 	[super awakeFromNib];
-    [fileBrowser setDelegate:self];
+	[fileBrowser setDelegate:self];
 }
 
 - (void)updateKeys
@@ -414,7 +414,7 @@
 
 - (void) updateView
 {
-    [self refresh: nil];
+	[self refresh: nil];
 	[self updateKeys];
 }
 
diff --git a/PBGitSidebarController.m b/PBGitSidebarController.m
index 28d8fb0..63290d6 100644
--- a/PBGitSidebarController.m
+++ b/PBGitSidebarController.m
@@ -325,7 +325,7 @@ static NSString * const kObservingContextSubmodules = @"submodulesChanged";
 	if ([item parent] == stashes) {
 		[superController changeContentController:stashViewController];
 		[PBGitDefaults setShowStageView:NO];
-        [stashViewController showStash:(PBGitStash*)[(PBGitMenuItem*)item sourceObject]];
+		[stashViewController showStash:(PBGitStash*)[(PBGitMenuItem*)item sourceObject]];
 	}
     
 	[self updateActionMenu];
diff --git a/PBWebHistoryController.m b/PBWebHistoryController.m
index cbf52ea..f8ccead 100644
--- a/PBWebHistoryController.m
+++ b/PBWebHistoryController.m
@@ -39,7 +39,7 @@
 
 - (void) observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
 {
-    if ([(NSString *)context isEqualToString: @"ChangedCommit"])
+	if ([(NSString *)context isEqualToString: @"ChangedCommit"])
 		[self changeContentTo: historyController.webCommit];
 	else
 		[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];