diff --git a/imgui/src/io.rs b/imgui/src/io.rs
index 46f9af4..2362c31 100644
--- a/imgui/src/io.rs
+++ b/imgui/src/io.rs
@@ -180,6 +180,8 @@ pub struct Io {
     #[cfg(feature = "docking")]
     pub config_docking_no_split: bool,
     #[cfg(feature = "docking")]
+    pub config_docking_with_shift: bool,
+    #[cfg(feature = "docking")]
     pub config_docking_always_tab_bar: bool,
     #[cfg(feature = "docking")]
     pub config_docking_transparent_payload: bool,