diff --git a/changelog/freezer-safety-margin.md b/changelog/freezer-safety-margin.md
new file mode 100644
index 00000000000..bccabb23987
--- /dev/null
+++ b/changelog/freezer-safety-margin.md
@@ -0,0 +1,2 @@
+### Fixed
+- Add safety margin before deleting frozen blocks from LevelDB to prevent unrecoverable data loss after unclean shutdown
diff --git a/go-ethereum b/go-ethereum
index a4edc802e04..62ab752a520 160000
--- a/go-ethereum
+++ b/go-ethereum
@@ -1 +1 @@
-Subproject commit a4edc802e0497eab31cde74e1a8f3c27ae201f2b
+Subproject commit 62ab752a5205e0eb3460d194f8447328c202fa90