Index: trunk/ppStack/src/ppStackMatch.c
===================================================================
--- trunk/ppStack/src/ppStackMatch.c	(revision 25045)
+++ trunk/ppStack/src/ppStackMatch.c	(revision 25256)
@@ -87,5 +87,5 @@
     x->n = y->n = numGood;
 
-    psTree *tree = psTreePlant(2, 2, x, y); // kd tree
+    psTree *tree = psTreePlant(2, 2, PS_TREE_EUCLIDEAN, x, y); // kd tree
 
     psArray *filtered = psArrayAllocEmpty(numGood); // Filtered list of sources