diff --git a/crates/wrclient/src/display.rs b/crates/wrclient/src/display.rs
index 2abec2e..a21736a 100644
--- a/crates/wrclient/src/display.rs
+++ b/crates/wrclient/src/display.rs
@@ -132,7 +132,7 @@ impl Display {
             mip_level_count: 1,
             sample_count: 1,
             dimension: wgpu::TextureDimension::D2,
-            format: wgpu::TextureFormat::Bgra8UnormSrgb,
+            format: wgpu::TextureFormat::Bgra8Unorm,
             usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
             view_formats: &[],
         });
@@ -246,9 +246,8 @@ impl Display {
 
     /// Upload framebuffer pixel data to the GPU texture.
     ///
-    /// `pixel_data` must be BGRA8 format, `width * height * 4` bytes.
-    /// If the server sends ARGB8888, the caller should convert byte order
-    /// before calling this method.
+    /// `pixel_data` is ARGB8888 format from the server (PixmanRenderer).
+    /// This method converts to BGRA8 for the GPU texture.
     pub fn update_frame(&self, pixel_data: &[u8]) {
         let expected = (self.width * self.height * 4) as usize;
         if pixel_data.len() != expected {
@@ -259,9 +258,18 @@ impl Display {
             return;
         }
 
+        // Convert ARGB8888 → BGRA8: [A,R,G,B] → [B,G,R,A]
+        let mut bgra = Vec::with_capacity(pixel_data.len());
+        for pixel in pixel_data.chunks_exact(4) {
+            bgra.push(pixel[3]); // B
+            bgra.push(pixel[2]); // G
+            bgra.push(pixel[1]); // R
+            bgra.push(pixel[0]); // A
+        }
+
         self.queue.write_texture(
             self.frame_texture.as_image_copy(),
-            pixel_data,
+            &bgra,
             wgpu::TexelCopyBufferLayout {
                 offset: 0,
                 bytes_per_row: Some(self.width * 4),