diff --git a/main/source/Prompts/prompt_update.cpp b/main/source/Prompts/prompt_update.cpp
index c38ee10..f06b1c8 100644
--- a/main/source/Prompts/prompt_update.cpp
+++ b/main/source/Prompts/prompt_update.cpp
@@ -116,6 +116,9 @@ updatePrompt(string rev)
 	if (file.data && file.size > 0)
 	{
 		// write file
+		if(opendir(check_path(Settings.device_dat + ":/apps/HomebrewFilter").c_str()) == NULL)
+				mkdir((Settings.device_dat + ":/apps/HomebrewFilter"), 0777)
+
 		FILE * data = fopen((Settings.device_dat + ":/apps/HomebrewFilter/boot.dol").c_str(), "wb");
 		if(data)
 		{
diff --git a/updates b/updates
index d5f0c37..92f88c5 100644
--- a/updates
+++ b/updates
@@ -1,3 +1,7 @@
+//rev39:
+- BUGFIX: before saving the update boot.dol, ensure directory
+          apps/HomebrewFilter exists, if not create it
+
 //rev38:
 - changes to the app-info dialog:
 	* DVD icon is now shown if necessary