diff --git a/etc/mtree/BSD.local.dist b/etc/mtree/BSD.local.dist
index 4c248d31a44e..0280d4b30ffe 100644
--- a/etc/mtree/BSD.local.dist
+++ b/etc/mtree/BSD.local.dist
@@ -279,6 +279,12 @@
             ..
             am_ET.UTF-8
             ..
+            be_BY.CP1131
+            ..
+            be_BY.CP1251
+            ..
+            be_BY.ISO8859-5
+            ..
             bg_BG.CP1251
             ..
             ca_ES.ISO8859-1
diff --git a/etc/mtree/BSD.usr.dist b/etc/mtree/BSD.usr.dist
index 7fb77ee58b75..3968e37c7694 100644
--- a/etc/mtree/BSD.usr.dist
+++ b/etc/mtree/BSD.usr.dist
@@ -347,6 +347,12 @@
             ..
             am_ET.UTF-8
             ..
+            be_BY.CP1131
+            ..
+            be_BY.CP1251
+            ..
+            be_BY.ISO8859-5
+            ..
             bg_BG.CP1251
             ..
             ca_ES.ISO8859-1
@@ -685,6 +691,12 @@
             ..
             am_ET.UTF-8
             ..
+            be_BY.CP1131
+            ..
+            be_BY.CP1251
+            ..
+            be_BY.ISO8859-5
+            ..
             bg_BG.CP1251
             ..
             ca_ES.ISO8859-1