diff --git a/pytential/qbx/fmm.py b/pytential/qbx/fmm.py
index 994c8ff78317bf75f510591645e5411bf9601a14..46d7ae880384f7dfbe44c21b7aea836ffdd4f6d3 100644
--- a/pytential/qbx/fmm.py
+++ b/pytential/qbx/fmm.py
@@ -809,7 +809,8 @@ def assemble_performance_data(geo_data, uses_pde_expansions,
 
     # {{{ evaluate locals
 
-    result["eval_part"] = tree.ntargets * ncoeffs_fmm
+    non_qbx_box_targets = geo_data.non_qbx_box_target_lists()
+    result["eval_part"] = non_qbx_box_targets.nfiltered_targets * ncoeffs_fmm
 
     # }}}
 
diff --git a/requirements.txt b/requirements.txt
index 6d1e4cceb94d1fcbff1e52cbb8b622ff2de2a1e6..8339427232dbaab4908eabe555efff75e1e7317e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ git+https://github.com/inducer/modepy
 git+https://github.com/inducer/pyopencl
 git+https://github.com/inducer/islpy
 git+https://github.com/inducer/loopy
-git+https://gitlab.tiker.net/inducer/boxtree
+git+https://gitlab.tiker.net/inducer/boxtree@reindex-list4-close
 git+https://github.com/inducer/meshmode
 git+https://gitlab.tiker.net/inducer/sumpy
 git+https://github.com/inducer/pyfmmlib
diff --git a/setup.py b/setup.py
index 0c13014df5f61ae34ae79679d1411cd832c7e6f2..e2a1ae90b75867829508b789fbe340e15b29c426 100644
--- a/setup.py
+++ b/setup.py
@@ -100,7 +100,7 @@ setup(name="pytential",
           "pytools>=2018.2",
           "modepy>=2013.3",
           "pyopencl>=2013.1",
-          "boxtree>=2018.1",
+          "boxtree>=2018.2",
           "pymbolic>=2013.2",
           "loo.py>=2017.2",
           "sumpy>=2013.1",