diff --git a/crates/re_viewer/src/ui/view_spatial/ui_2d.rs b/crates/re_viewer/src/ui/view_spatial/ui_2d.rs
index 97bad75fe30d..9c9bf30545bd 100644
--- a/crates/re_viewer/src/ui/view_spatial/ui_2d.rs
+++ b/crates/re_viewer/src/ui/view_spatial/ui_2d.rs
@@ -363,7 +363,7 @@ pub fn view_2d(
             ) {
                 Ok(command_buffer) => command_buffer,
                 Err(err) => {
-                    re_log::error!("Failed to fill view builder: {}", err);
+                    re_log::error_once!("Failed to fill view builder: {err}");
                     return response;
                 }
             };
diff --git a/crates/re_viewer/src/ui/view_spatial/ui_3d.rs b/crates/re_viewer/src/ui/view_spatial/ui_3d.rs
index 17b429a474a5..604c713ad23a 100644
--- a/crates/re_viewer/src/ui/view_spatial/ui_3d.rs
+++ b/crates/re_viewer/src/ui/view_spatial/ui_3d.rs
@@ -532,7 +532,7 @@ pub fn view_3d(
     ) {
         Ok(command_buffer) => command_buffer,
         Err(err) => {
-            re_log::error!("Failed to fill view builder: {}", err);
+            re_log::error_once!("Failed to fill view builder: {err}");
             return;
         }
     };
diff --git a/crates/re_viewer_context/src/gpu_bridge/tensor_to_gpu.rs b/crates/re_viewer_context/src/gpu_bridge/tensor_to_gpu.rs
index 35a87a850e61..ead7f7eae5da 100644
--- a/crates/re_viewer_context/src/gpu_bridge/tensor_to_gpu.rs
+++ b/crates/re_viewer_context/src/gpu_bridge/tensor_to_gpu.rs
@@ -176,7 +176,7 @@ fn class_id_tensor_to_gpu(
             Texture2DCreationDesc {
                 label: "class_id_colormap".into(),
                 data: data.into(),
-                format: TextureFormat::Rgba8Unorm,
+                format: TextureFormat::Rgba8UnormSrgb,
                 width: colormap_width as u32,
                 height: colormap_height as u32,
             }