diff --git a/docker-compose.yml b/docker-compose.yml
index 4b96198..1924db8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,4 +6,4 @@ services:
   volumes:
    - /opt/docker/services:/services
    - ./:/out/
-  command: bash -c 'python3 /out/show_updateable.py -o /out/updates.json /services/* --ignore zammad'
+  command: bash -c 'python3 /out/show_updateable.py -s -o /out/updates.json /services/* --ignore zammad'
diff --git a/docker_compose.py b/docker_compose.py
index cfe9301..0afcf8c 100644
--- a/docker_compose.py
+++ b/docker_compose.py
@@ -129,7 +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")
+	parser.add_argument("--match-suffix", "-s", action="store_true")
 	return parser
 
 if __name__ == "__main__":
@@ -142,4 +142,4 @@ if __name__ == "__main__":
 		with open(args.output, "w") as out:
 			json.dump(overview, out, indent=1, sort_keys=True)
 	else:
-		print(json.dumps(overview, indent=1))
\ No newline at end of file
+		print(json.dumps(overview, indent=1))
diff --git a/show_updateable.py b/show_updateable.py
index 278e3cc..5e3221a 100644
--- a/show_updateable.py
+++ b/show_updateable.py
@@ -52,5 +52,5 @@ def main(args):
 if __name__=="__main__":
 	parser = docker_compose.args_setup("Show updates for docker-compose style services")
 	args = parser.parse_args()
+	print(args)
 	main(args)
-	
\ No newline at end of file