diff --git a/test_regress/Makefile b/test_regress/Makefile
index 56f7194ac..5995c378c 100644
--- a/test_regress/Makefile
+++ b/test_regress/Makefile
@@ -103,7 +103,7 @@ TEST_SNAP_DIR ?= snapshot
 TEST_DIFF_TOOL ?= $(if $(shell which icdiff), icdiff -N -r, diff -r)
 
 TEST_SNAP_IGNORE := *.status *.log *.dat *.d *.o *.a *.so *stats*.txt *.html \
-                    *.includecache *.out *.fst *.fst.vcd *.tree *.tree.json \
+                    *.includecache *.out *.fst *.fst.vcd *.tree *.tree*.json \
                     *.dot *.csv *.xml *.hash *.cmake gmon.out.* CMakeFiles \
                     profile_exec.vcd t_pgo_threads