diff --git a/crates/adapters/src/rendering/femtovg/popup_window.rs b/crates/adapters/src/rendering/femtovg/popup_window.rs
index 0b3f1ce..d3c0a33 100644
--- a/crates/adapters/src/rendering/femtovg/popup_window.rs
+++ b/crates/adapters/src/rendering/femtovg/popup_window.rs
@@ -2,6 +2,7 @@ use super::renderable_window::{RenderState, RenderableWindow};
 use crate::errors::{RenderingError, Result};
 use crate::wayland::surfaces::popup_manager::OnCloseCallback;
 use core::ops::Deref;
+use layer_shika_domain::dimensions::LogicalSize;
 use layer_shika_domain::value_objects::handle::PopupHandle;
 use log::info;
 use slint::{
@@ -37,6 +38,7 @@ pub struct PopupWindow {
     on_close: OnceCell<OnCloseCallback>,
     popup_render_state: Cell<PopupRenderState>,
     component_instance: RefCell<Option<ComponentInstance>>,
+    logical_size: Cell<LogicalSize>,
 }
 
 impl PopupWindow {
@@ -54,6 +56,7 @@ impl PopupWindow {
                 on_close: OnceCell::new(),
                 popup_render_state: Cell::new(PopupRenderState::Unconfigured),
                 component_instance: RefCell::new(None),
+                logical_size: Cell::new(LogicalSize::default()),
             }
         })
     }
@@ -141,10 +144,21 @@ impl PopupWindow {
             .dispatch_event(WindowEvent::WindowActiveChanged(true));
     }
 
-    pub fn request_resize(&self, width: f32, height: f32) {
-        info!("Requesting popup resize to {}x{}", width, height);
+    pub fn request_resize(&self, width: f32, height: f32) -> bool {
+        let new_size = LogicalSize::from_raw(width, height);
+        let current_size = self.logical_size.get();
+
+        if current_size == new_size {
+            info!("Popup resize skipped - size unchanged: {}x{}", width, height);
+            return false;
+        }
+
+        info!("Requesting popup resize from {}x{} to {}x{}",
+              current_size.width(), current_size.height(), width, height);
+        self.logical_size.set(new_size);
         self.set_size(WindowSize::Logical(slint::LogicalSize::new(width, height)));
         RenderableWindow::request_redraw(self);
+        true
     }
 
     pub fn begin_repositioning(&self) {
diff --git a/crates/composition/src/system.rs b/crates/composition/src/system.rs
index 1ceaa78..63b5361 100644
--- a/crates/composition/src/system.rs
+++ b/crates/composition/src/system.rs
@@ -903,24 +903,26 @@ impl EventDispatchContext<'_> {
         })?;
 
         if let Some(popup_surface) = popup_manager.get_popup_window(handle.key()) {
-            popup_surface.request_resize(width, height);
+            let size_changed = popup_surface.request_resize(width, height);
 
-            #[allow(clippy::cast_possible_truncation)]
-            #[allow(clippy::cast_possible_wrap)]
-            let logical_width = width as i32;
-            #[allow(clippy::cast_possible_truncation)]
-            #[allow(clippy::cast_possible_wrap)]
-            let logical_height = height as i32;
+            if size_changed {
+                #[allow(clippy::cast_possible_truncation)]
+                #[allow(clippy::cast_possible_wrap)]
+                let logical_width = width as i32;
+                #[allow(clippy::cast_possible_truncation)]
+                #[allow(clippy::cast_possible_wrap)]
+                let logical_height = height as i32;
 
-            popup_manager.update_popup_viewport(handle.key(), logical_width, logical_height);
-            popup_manager.commit_popup_surface(handle.key());
-            log::debug!(
-                "Updated popup viewport to logical size: {}x{} (from resize to {}x{})",
-                logical_width,
-                logical_height,
-                width,
-                height
-            );
+                popup_manager.update_popup_viewport(handle.key(), logical_width, logical_height);
+                popup_manager.commit_popup_surface(handle.key());
+                log::debug!(
+                    "Updated popup viewport to logical size: {}x{} (from resize to {}x{})",
+                    logical_width,
+                    logical_height,
+                    width,
+                    height
+                );
+            }
         }
 
         Ok(())
@@ -1022,27 +1024,29 @@ impl EventDispatchContext<'_> {
 
                 if let Some(popup_manager) = popup_manager_weak.upgrade() {
                     if let Some(popup_surface) = popup_manager.get_popup_window(popup_key) {
-                        popup_surface.request_resize(dimensions.width, dimensions.height);
+                        let size_changed = popup_surface.request_resize(dimensions.width, dimensions.height);
 
-                        #[allow(clippy::cast_possible_truncation)]
-                        #[allow(clippy::cast_possible_wrap)]
-                        let logical_width = dimensions.width as i32;
-                        #[allow(clippy::cast_possible_truncation)]
-                        #[allow(clippy::cast_possible_wrap)]
-                        let logical_height = dimensions.height as i32;
+                        if size_changed {
+                            #[allow(clippy::cast_possible_truncation)]
+                            #[allow(clippy::cast_possible_wrap)]
+                            let logical_width = dimensions.width as i32;
+                            #[allow(clippy::cast_possible_truncation)]
+                            #[allow(clippy::cast_possible_wrap)]
+                            let logical_height = dimensions.height as i32;
 
-                        popup_manager.update_popup_viewport(
-                            popup_key,
-                            logical_width,
-                            logical_height,
-                        );
-                        log::debug!(
-                            "Updated popup viewport to logical size: {}x{} (from direct resize to {}x{})",
-                            logical_width,
-                            logical_height,
-                            dimensions.width,
-                            dimensions.height
-                        );
+                            popup_manager.update_popup_viewport(
+                                popup_key,
+                                logical_width,
+                                logical_height,
+                            );
+                            log::debug!(
+                                "Updated popup viewport to logical size: {}x{} (from direct resize to {}x{})",
+                                logical_width,
+                                logical_height,
+                                dimensions.width,
+                                dimensions.height
+                            );
+                        }
                     }
                 }
                 Value::Void
diff --git a/examples/simple-popup/ui/ui.slint b/examples/simple-popup/ui/ui.slint
index a3cc41e..1d4b5c2 100644
--- a/examples/simple-popup/ui/ui.slint
+++ b/examples/simple-popup/ui/ui.slint
@@ -52,6 +52,7 @@ export component ExamplePopup inherits Window {
         interval: 1ms;
         running: true;
         triggered => {
+            resize_timer.running = false;
             root.resize_popup(root.preferred-width, root.preferred-height);
         }
     }