diff --git a/src/controller/buffers.py b/src/controller/buffers.py
index a9b51e1..0ff2055 100644
--- a/src/controller/buffers.py
+++ b/src/controller/buffers.py
@@ -594,7 +594,7 @@ class documentBuffer(feedBuffer):
 
 	def download(self, *args, **kwargs):
 		post = self.get_post()
-		filename = post["title"]
+		filename = utils.safe_filename(post["title"])
 		# If document does not end in .extension we must fix it so the file dialog will save it properly later.
 		if filename.endswith(post["ext"]) == False:
 			filename = filename+ "."+post["ext"]
diff --git a/src/presenters/displayPosts/audio.py b/src/presenters/displayPosts/audio.py
index 3d2caac..61352f7 100644
--- a/src/presenters/displayPosts/audio.py
+++ b/src/presenters/displayPosts/audio.py
@@ -73,7 +73,7 @@ class displayAudioPresenter(base.basePresenter):
 
 	def get_suggested_filename(self, audio_index):
 		post = self.post[audio_index]
-		return "{0} - {1}.mp3".format(post["title"], post["artist"])
+		return utils.safe_filename("{0} - {1}.mp3".format(post["title"], post["artist"]))
 
 	def download(self, audio_index, path):
 		post = self.post[audio_index]
diff --git a/src/sessionmanager/utils.py b/src/sessionmanager/utils.py
index 8283cab..d0fc7a7 100644
--- a/src/sessionmanager/utils.py
+++ b/src/sessionmanager/utils.py
@@ -90,4 +90,8 @@ def transform_audio_url(url):
 		url = url.replace("/"+parts[-2], "")
 	else:
 		url = url.replace("/"+parts[-3], "")
-	return url
\ No newline at end of file
+	return url
+
+def safe_filename(filename):
+	allowed_symbols = ["_", ".", ",", "-", "(", ")"]
+	return "".join([c for c in filename if c.isalpha() or c.isdigit() or c==' ' or c in allowed_symbols]).rstrip()
\ No newline at end of file