diff --git a/scrapthechan/parsers/dvach.py b/scrapthechan/parsers/dvach.py
index e4378fd..b5d2592 100644
--- a/scrapthechan/parsers/dvach.py
+++ b/scrapthechan/parsers/dvach.py
@@ -36,7 +36,7 @@ class DvachParser(Parser):
 		if not 'files' in post: return None
 		files = []
 		for f in post['files']:
-			if match(f['fullname'], r"^image\.\w+$") is None:
+			if match(f['fullname'], r"^image\.\w{1,4}$") is None:
 				fullname = f['fullname']
 			else:
 				fullname = f['name']
diff --git a/scrapthechan/parsers/fourchan.py b/scrapthechan/parsers/fourchan.py
index 179bd81..15c3fdb 100644
--- a/scrapthechan/parsers/fourchan.py
+++ b/scrapthechan/parsers/fourchan.py
@@ -38,7 +38,7 @@ class FourChanParser(Parser):
 		dlfname = f"{post['tim']}{post['ext']}"
 
 		if "filename" in post:
-			if match(post['filename'], r"^image\.\w+$") is None:
+			if match(post['filename'], r"^image\.\w{1,4}$") is None:
 				filename = dlfname
 			else:
 				filename = f"{post['filename']}{post['ext']}"
diff --git a/scrapthechan/parsers/lainchan.py b/scrapthechan/parsers/lainchan.py
index cb251b4..243bd46 100644
--- a/scrapthechan/parsers/lainchan.py
+++ b/scrapthechan/parsers/lainchan.py
@@ -41,7 +41,7 @@ class LainchanParser(Parser):
 		dlfname = f"{post['tim']}{post['ext']}"
 
 		if "filename" in post:
-			if match(post['filename'], r"^image\.\w+$") is None:
+			if match(post['filename'], r"^image\.\w{1,4}$") is None:
 				filename = dlfname
 			else:
 				filename = f"{post['filename']}{post['ext']}"