diff --git a/drain3/drain.py b/drain3/drain.py
index 196aea8..43b8ab9 100644
--- a/drain3/drain.py
+++ b/drain3/drain.py
@@ -129,7 +129,7 @@ def fast_match(self,
         match_cluster = None
 
         max_sim: Union[int, float] = -1
-        max_param_count = -1
+        min_param_count = len(tokens)
         max_cluster = None
 
         for cluster_id in cluster_ids:
@@ -139,9 +139,9 @@ def fast_match(self,
             if cluster is None:
                 continue
             cur_sim, param_count = self.get_seq_distance(cluster.log_template_tokens, tokens, include_params)
-            if cur_sim > max_sim or (cur_sim == max_sim and param_count > max_param_count):
+            if cur_sim > max_sim or (cur_sim == max_sim and param_count < min_param_count):
                 max_sim = cur_sim
-                max_param_count = param_count
+                min_param_count = param_count
                 max_cluster = cluster
 
         if max_sim >= sim_th: