diff --git a/Frameworks/FileBrowser/src/FileBrowserView.mm b/Frameworks/FileBrowser/src/FileBrowserView.mm
index 45dfad12..22d3f7a8 100644
--- a/Frameworks/FileBrowser/src/FileBrowserView.mm
+++ b/Frameworks/FileBrowser/src/FileBrowserView.mm
@@ -439,6 +439,9 @@ static NSMutableIndexSet* MutableLongestCommonSubsequence (NSArray* lhs, NSArray
 {
 	_modifiedURLs = newModifiedURLs;
 
+	if(!self.fileItem)
+		return;
+
 	NSMutableArray<FileItem*>* stack = [NSMutableArray arrayWithObject:self.fileItem];
 	while(FileItem* item = stack.firstObject)
 	{
@@ -453,6 +456,9 @@ static NSMutableIndexSet* MutableLongestCommonSubsequence (NSArray* lhs, NSArray
 {
 	_openURLs = newOpenURLs;
 
+	if(!self.fileItem)
+		return;
+
 	NSMutableArray<FileItem*>* stack = [NSMutableArray arrayWithObject:self.fileItem];
 	while(FileItem* item = stack.firstObject)
 	{