diff --git a/src/xenia/gpu/vulkan/texture_cache.cc b/src/xenia/gpu/vulkan/texture_cache.cc
index a89fc38ad..3a684bb5e 100644
--- a/src/xenia/gpu/vulkan/texture_cache.cc
+++ b/src/xenia/gpu/vulkan/texture_cache.cc
@@ -106,7 +106,7 @@ static const TextureConfig texture_configs[64] = {
     /* k_11_11_10_AS_16_16_16_16 */ {VK_FORMAT_B10G11R11_UFLOAT_PACK32},  // ?
     /* k_32_32_32_FLOAT         */ {VK_FORMAT_R32G32B32_SFLOAT},
     /* k_DXT3A                  */ {VK_FORMAT_UNDEFINED},
-    /* k_DXT5A                  */ {VK_FORMAT_UNDEFINED},
+    /* k_DXT5A                  */ {VK_FORMAT_UNDEFINED},  // ATI1N
 
     // http://fileadmin.cs.lth.se/cs/Personal/Michael_Doggett/talks/unc-xenos-doggett.pdf
     /* k_CTX1                   */ {VK_FORMAT_R8G8_UINT},
@@ -257,9 +257,8 @@ TextureCache::Texture* TextureCache::AllocateTexture(
 
   assert_not_null(texture_info.format_info());
   auto& config = texture_configs[int(texture_info.format_info()->format)];
-  VkFormat format = config.host_format != VK_FORMAT_UNDEFINED
-                        ? config.host_format
-                        : VK_FORMAT_R8G8B8A8_UNORM;
+  VkFormat format = config.host_format;
+  assert(format != VK_FORMAT_UNDEFINED);
 
   image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
   image_info.usage =