diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3d7a299..6d5b2a5c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Unreleased
 
 - On macOS, implement `run_return`.
+- On iOS, fix inverted parameter in `set_prefers_home_indicator_hidden`.
 
 # 0.20.0 Alpha 3 (2019-08-14)
 
diff --git a/src/platform_impl/ios/window.rs b/src/platform_impl/ios/window.rs
index cca2923d..0655add1 100644
--- a/src/platform_impl/ios/window.rs
+++ b/src/platform_impl/ios/window.rs
@@ -398,7 +398,7 @@ impl Inner {
 
     pub fn set_prefers_home_indicator_hidden(&self, hidden: bool) {
         unsafe {
-            let prefers_home_indicator_hidden = if hidden { NO } else { YES };
+            let prefers_home_indicator_hidden = if hidden { YES } else { NO };
             let () = msg_send![
                 self.view_controller,
                 setPrefersHomeIndicatorAutoHidden: prefers_home_indicator_hidden