diff --git a/debian/changelog b/debian/changelog
index c01e9e8..33c47c9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+systemback (1.9.4hamonikr6) jin; urgency=low
+
+  * Update systemback/systemback.cpp
+   - change SBLIVE partitons size to 2GB
+   - fix #5 - https://github.com/hamonikr/systemback/issues/5
+
+ -- HamoniKR <pkg@hamonikr.org>  Fri, 16 Apr 2021 16:20:48 +0900
+
 systemback (1.9.4hamonikr5) jin; urgency=low
 
   * Update systemback/systemback.cpp
diff --git a/systemback/systemback.cpp b/systemback/systemback.cpp
index b98dc58..bb57585 100644
--- a/systemback/systemback.cpp
+++ b/systemback/systemback.cpp
@@ -2645,9 +2645,9 @@ void systemback::livewrite()
         }
         else
         {
-            // change to 300MB : 314572800 byte
+            // change to 2GB : 2147483648 byte
             // if(! (sb::mkpart(ldev, 1048576, 104857600) && sb::mkpart(ldev)) || intrrpt) return err(338);
-            if(! (sb::mkpart(ldev, 1048576, 314572800) && sb::mkpart(ldev)) || intrrpt) return err(338);
+            if(! (sb::mkpart(ldev, 1048576, 2147483648) && sb::mkpart(ldev)) || intrrpt) return err(338);
             sb::delay(100);
             // if(sb::exec("mkfs.ext2 -FL SBROOT " % ldev % (ismmc ? "p" : nullptr) % '2') || intrrpt) return err(338);
             if(sb::exec("mkfs.ext4 -FL SBROOT " % ldev % (ismmc ? "p" : nullptr) % '2') || intrrpt) return err(338);