diff --git a/wgpu-core/src/command/clear.rs b/wgpu-core/src/command/clear.rs
index 1247608dc..e7e6032b7 100644
--- a/wgpu-core/src/command/clear.rs
+++ b/wgpu-core/src/command/clear.rs
@@ -298,7 +298,7 @@ pub(crate) fn collect_zero_buffer_copies_for_clear_texture(
 
         let bytes_per_row = align_to(
             // row is at least one block wide, need to round up
-            (mip_size.width + format_desc.block_dimensions.1 as u32 - 1)
+            (mip_size.width + format_desc.block_dimensions.0 as u32 - 1)
                 / format_desc.block_dimensions.0 as u32
                 * format_desc.block_size as u32,
             bytes_per_row_alignment,
diff --git a/wgpu/tests/clear_texture.rs b/wgpu/tests/clear_texture.rs
index ec218cff6..8f56e3b00 100644
--- a/wgpu/tests/clear_texture.rs
+++ b/wgpu/tests/clear_texture.rs
@@ -62,14 +62,16 @@ static TEXTURE_FORMATS_BC: &[wgpu::TextureFormat] = &[
 
 // needs TEXTURE_COMPRESSION_ETC2
 static TEXTURE_FORMATS_ETC2: &[wgpu::TextureFormat] = &[
-    wgpu::TextureFormat::Etc2RgbUnorm,
-    wgpu::TextureFormat::Etc2RgbUnormSrgb,
-    wgpu::TextureFormat::Etc2RgbA1Unorm,
-    wgpu::TextureFormat::Etc2RgbA1UnormSrgb,
-    wgpu::TextureFormat::EacRUnorm,
-    wgpu::TextureFormat::EacRSnorm,
-    wgpu::TextureFormat::EacRgUnorm,
-    wgpu::TextureFormat::EacRgSnorm,
+    wgpu::TextureFormat::Etc2Rgb8Unorm,
+    wgpu::TextureFormat::Etc2Rgb8UnormSrgb,
+    wgpu::TextureFormat::Etc2Rgb8A1Unorm,
+    wgpu::TextureFormat::Etc2Rgb8A1UnormSrgb,
+    wgpu::TextureFormat::Etc2Rgba8Unorm,
+    wgpu::TextureFormat::Etc2Rgba8UnormSrgb,
+    wgpu::TextureFormat::EacR11Unorm,
+    wgpu::TextureFormat::EacR11Snorm,
+    wgpu::TextureFormat::EacRg11Unorm,
+    wgpu::TextureFormat::EacRg11Snorm,
 ];
 
 // needs TEXTURE_COMPRESSION_ASTC_LDR