diff --git a/docker_compose.py b/docker_compose.py
index 44d1a46..cfe9301 100644
--- a/docker_compose.py
+++ b/docker_compose.py
@@ -129,6 +129,7 @@ def args_setup(description):
 	parser.add_argument("compose_files", nargs="+")
 	parser.add_argument("--output", "-o")
 	parser.add_argument("--ignore", "-i", nargs="+", default=False)
+	parser.add_argument("--match-suffix", "-s", action="store_false")
 	return parser
 
 if __name__ == "__main__":
diff --git a/image_tags.py b/image_tags.py
index 551b210..099ff22 100644
--- a/image_tags.py
+++ b/image_tags.py
@@ -17,7 +17,7 @@ TAG_STORE = {}
 def api_call(url):
 	result = requests.get(url)
 	if not result.ok:
-		log.error(result, result.url)
+		log.error(f"{result}, {result.status_code}, {result.url}")
 		return {}
 	data = result.json()
 	tags = {}
@@ -44,7 +44,11 @@ def replace(string, replacements):
 	return string
 
 
-def compare(base, other, replacements=[("-","+"),]):
+def compare(base, other, match_suffix=False, replacements=[("-","+"),]):
+	if match_suffix:
+		suffix = base.split("-")[-1]
+		if not other.endswith(suffix):
+			return False
 	base = replace(base, replacements)
 	other = replace(other, replacements)
 	v1 = version.parse(base)
@@ -53,23 +57,17 @@ def compare(base, other, replacements=[("-","+"),]):
 	log.debug(f"{v1} < {v2}: {result}")
 	return result
 
-def get_new_tags(image):
+def get_new_tags(image, match_suffix=False):
 	if not ":" in image:
 		log.warn("using implicit latest, skip")
 		return
 	image_name, current_tag = image.split(":")
 	if not image_name in TAG_STORE:
 		TAG_STORE[image_name] = get_tags(image_name)
-	#if current_tag in TAG_STORE[image_name]:
-	#	first_update = TAG_STORE[image_name][current_tag]
-	#else:
-	#	print("!!! FALLBACK!")
-	#	first_update = list(TAG_STORE[image_name].values())[0]
-	#print(first_update)
 	new_tags = {}
 	for tag in TAG_STORE[image_name]:
 		log.debug("check("+str(tag)+")")
-		if compare(current_tag, tag):
+		if compare(current_tag, tag, match_suffix):
 			log.debug("NEWER!!!")
 			update = TAG_STORE[image_name][tag]
 			new_tags[tag] = str(update)
diff --git a/show_updateable.py b/show_updateable.py
index 9155c88..278e3cc 100644
--- a/show_updateable.py
+++ b/show_updateable.py
@@ -1,13 +1,15 @@
 import argparse
 import json
+import logging
 
 import docker_compose
 import image_tags
 
+log = logging
 
-def find_updates(image_ref, usages):
+def find_updates(image_ref, usages, match_suffix=False):
 	try:
-		newer_tags = image_tags.get_new_tags(image_ref)
+		newer_tags = image_tags.get_new_tags(image_ref, match_suffix)
 	except ValueError as e:
 		newer_tags = e.args
 	return {
@@ -24,20 +26,21 @@ def main(args):
 			image_ref = f"{image}:{tag}"
 			if image_ref in updates:
 				continue
-			updates[image_ref] = find_updates(image_ref, images[image][tag])
+			updates[image_ref] = find_updates(image_ref, images[image][tag], args.match_suffix)
 			for usage in images[image][tag]:
 				if not "base_images" in usage:
 					continue
 				for base in usage["base_images"]:
+					info = [{
+						"is_base_image": True,
+						"path": usage["path"],
+						"service_name": usage["service_name"]
+					}]
 					if base in updates:
-						continue
+						updates[base]["usages"].append(info)
 					else:
-						info = {
-							"is_base_image": True,
-							"path": usage["path"],
-							"service_name": usage["service_name"]
-						}
-						updates[base] = find_updates(base, info)
+						log.info(f"find base image updates for {base}")
+						updates[base] = find_updates(base, info, args.match_suffix)
 				
 	if args.output:
 		with open(args.output, "w") as out: