diff --git a/memcheck/tests/Makefile.am b/memcheck/tests/Makefile.am
index 0485a6719..a21c84701 100644
--- a/memcheck/tests/Makefile.am
+++ b/memcheck/tests/Makefile.am
@@ -34,7 +34,7 @@ EXTRA_DIST = $(noinst_SCRIPTS) \
 	inline.stderr.exp inline.stdout.exp inline.vgtest \
 	leak-0.vgtest leak-0.stderr.exp \
 	leak-cycle.vgtest leak-cycle.stderr.exp leak-cycle.stderr.exp64 \
-	leak-tree.vgtest leak-tree.stderr.exp \
+	leak-tree.vgtest leak-tree.stderr.exp leak-tree.stderr.exp64 \
 	leak-regroot.vgtest leak-regroot.stderr.exp \
 	leakotron.vgtest leakotron.stdout.exp leakotron.stderr.exp \
 	malloc1.stderr.exp malloc1.vgtest \
diff --git a/memcheck/tests/leak-tree.stderr.exp64 b/memcheck/tests/leak-tree.stderr.exp64
new file mode 100644
index 000000000..0e76fa79d
--- /dev/null
+++ b/memcheck/tests/leak-tree.stderr.exp64
@@ -0,0 +1,52 @@
+
+searching for pointers to 11 not-freed blocks.
+checked ... bytes.
+
+80 (16 direct, 64 indirect) bytes in 1 blocks are definitely lost in loss record 11 of 11
+   at 0x........: malloc (vg_replace_malloc.c:...)
+   by 0x........: mk (leak-tree.c:11)
+   by 0x........: main (leak-tree.c:25)
+
+LEAK SUMMARY:
+   definitely lost: 16 bytes in 1 blocks.
+   indirectly lost: 64 bytes in 4 blocks.
+     possibly lost: 0 bytes in 0 blocks.
+   still reachable: 96 bytes in 6 blocks.
+        suppressed: 0 bytes in 0 blocks.
+Reachable blocks (those to which a pointer was found) are not shown.
+To see them, rerun with: --show-reachable=yes
+searching for pointers to 14 not-freed blocks.
+checked ... bytes.
+
+
+16 bytes in 1 blocks are definitely lost in loss record 1 of 14
+   at 0x........: malloc (vg_replace_malloc.c:...)
+   by 0x........: mk (leak-tree.c:11)
+   by 0x........: main (leak-tree.c:39)
+
+
+16 bytes in 1 blocks are definitely lost in loss record 2 of 14
+   at 0x........: malloc (vg_replace_malloc.c:...)
+   by 0x........: mk (leak-tree.c:11)
+   by 0x........: main (leak-tree.c:38)
+
+
+80 (16 direct, 64 indirect) bytes in 1 blocks are definitely lost in loss record 14 of 14
+   at 0x........: malloc (vg_replace_malloc.c:...)
+   by 0x........: mk (leak-tree.c:11)
+   by 0x........: main (leak-tree.c:25)
+
+LEAK SUMMARY:
+   definitely lost: 48 bytes in 3 blocks.
+   indirectly lost: 64 bytes in 4 blocks.
+     possibly lost: 0 bytes in 0 blocks.
+   still reachable: 112 bytes in 7 blocks.
+        suppressed: 0 bytes in 0 blocks.
+Reachable blocks (those to which a pointer was found) are not shown.
+To see them, rerun with: --show-reachable=yes
+
+ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
+malloc/free: in use at exit: 224 bytes in 14 blocks.
+malloc/free: 14 allocs, 0 frees, 224 bytes allocated.
+For a detailed leak analysis,  rerun with: --leak-check=yes
+For counts of detected errors, rerun with: -v