diff --git a/libs/input/InputWindow.cpp b/libs/input/InputWindow.cpp
index b1d9d6a..e6bb255 100644
--- a/libs/input/InputWindow.cpp
+++ b/libs/input/InputWindow.cpp
@@ -81,6 +81,7 @@
     output.writeInt32(frameTop);
     output.writeInt32(frameRight);
     output.writeInt32(frameBottom);
+    output.writeInt32(surfaceInset);
     output.writeFloat(scaleFactor);
     output.writeBool(visible);
     output.writeBool(canReceiveKeys);
@@ -119,6 +120,7 @@
     ret.frameTop = from.readInt32();
     ret.frameRight = from.readInt32();
     ret.frameBottom = from.readInt32();
+    ret.surfaceInset = from.readInt32();
     ret.scaleFactor = from.readFloat();
     ret.visible = from.readBool();
     ret.canReceiveKeys = from.readBool();
diff --git a/libs/input/tests/InputWindow_test.cpp b/libs/input/tests/InputWindow_test.cpp
index ea98f8a..cc6962f 100644
--- a/libs/input/tests/InputWindow_test.cpp
+++ b/libs/input/tests/InputWindow_test.cpp
@@ -47,6 +47,7 @@
     i.frameTop = 34;
     i.frameRight = 16;
     i.frameBottom = 19;
+    i.surfaceInset = 17;
     i.scaleFactor = 0.3;
     i.visible = false;
     i.canReceiveKeys = false;
@@ -73,6 +74,7 @@
     ASSERT_EQ(i.frameTop, i2.frameTop);
     ASSERT_EQ(i.frameRight, i2.frameRight);
     ASSERT_EQ(i.frameBottom, i2.frameBottom);
+    ASSERT_EQ(i.surfaceInset, i2.surfaceInset);
     ASSERT_EQ(i.scaleFactor, i2.scaleFactor);
     ASSERT_EQ(i.visible, i2.visible);
     ASSERT_EQ(i.canReceiveKeys, i2.canReceiveKeys);