diff --git a/PBWebHistoryController.m b/PBWebHistoryController.m
index e3467c0..08279cf 100644
--- a/PBWebHistoryController.m
+++ b/PBWebHistoryController.m
@@ -67,13 +67,15 @@
 	NSFileHandle *handle = [repository handleForArguments:taskArguments];
 	NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
 	// Remove notification, in case we have another one running
-	[nc removeObserver:self];
+	[nc removeObserver:self name:NSFileHandleReadToEndOfFileCompletionNotification object:nil];
 	[nc addObserver:self selector:@selector(commitDetailsLoaded:) name:NSFileHandleReadToEndOfFileCompletionNotification object:handle]; 
 	[handle readToEndOfFileInBackgroundAndNotify];
 }
 
 - (void)commitDetailsLoaded:(NSNotification *)notification
 {
+	[[NSNotificationCenter defaultCenter] removeObserver:self name:NSFileHandleReadToEndOfFileCompletionNotification object:nil];
+
 	NSData *data = [[notification userInfo] valueForKey:NSFileHandleNotificationDataItem];
 	if (!data)
 		return;