diff --git a/Centroid Decomposition.cpp b/Centroid Decomposition.cpp
index e35a444..c9ed347 100644
--- a/Centroid Decomposition.cpp	
+++ b/Centroid Decomposition.cpp	
@@ -21,8 +21,8 @@ int centroid(int u, int par)
 	{
 		if(it == par)
 			continue;
-		if(subtree[u] > (nodes >> 1))
-			return centroid(u, it);
+		if(subtree[it] > (nodes >> 1))
+			return centroid(it,u);
 	}
 	return u;
 }