diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKBuffer.mm b/MoltenVK/MoltenVK/GPUObjects/MVKBuffer.mm
index e60dab4..ee23a31 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKBuffer.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKBuffer.mm
@@ -223,6 +223,7 @@
 		// We can just use a simple 1D texel array.
 		_textureSize.width = uint32_t(blockCount * fmtBlockSize.width);
 		_textureSize.height = 1;
+		_mtlBytesPerRow = byteCount;
 	}
 
     if ( !_device->_pMetalFeatures->texelBuffers ) {
diff --git a/MoltenVK/MoltenVK/Layers/MVKExtensions.def b/MoltenVK/MoltenVK/Layers/MVKExtensions.def
index 95e06a4..b7bf198 100644
--- a/MoltenVK/MoltenVK/Layers/MVKExtensions.def
+++ b/MoltenVK/MoltenVK/Layers/MVKExtensions.def
@@ -70,6 +70,7 @@
 MVK_EXTENSION(MVK_moltenvk, MVK_MOLTENVK)
 MVK_EXTENSION(AMD_gpu_shader_half_float, AMD_GPU_SHADER_HALF_FLOAT)
 MVK_EXTENSION(AMD_negative_viewport_height, AMD_NEGATIVE_VIEWPORT_HEIGHT)
+MVK_EXTENSION(AMD_shader_image_load_store_lod, AMD_SHADER_IMAGE_LOAD_STORE_LOD)
 MVK_EXTENSION(IMG_format_pvrtc, IMG_FORMAT_PVRTC)
 MVK_EXTENSION_LAST(NV_glsl_shader, NV_GLSL_SHADER)
 
diff --git a/MoltenVK/MoltenVK/Layers/MVKExtensions.mm b/MoltenVK/MoltenVK/Layers/MVKExtensions.mm
index 1b9f570..1ba1a70 100644
--- a/MoltenVK/MoltenVK/Layers/MVKExtensions.mm
+++ b/MoltenVK/MoltenVK/Layers/MVKExtensions.mm
@@ -57,6 +57,7 @@
 		return mvkOSVersion() >= 10.13;
 	}
 	if (pProperties == &kVkExtProps_MVK_IOS_SURFACE) { return false; }
+	if (pProperties == &kVkExtProps_AMD_SHADER_IMAGE_LOAD_STORE_LOD) { return false; }
 	if (pProperties == &kVkExtProps_IMG_FORMAT_PVRTC) { return false; }
 #endif
 #if MVK_IOS