diff --git a/GPU/Vulkan/TextureCacheVulkan.cpp b/GPU/Vulkan/TextureCacheVulkan.cpp
index b19f921718..0cef7827de 100644
--- a/GPU/Vulkan/TextureCacheVulkan.cpp
+++ b/GPU/Vulkan/TextureCacheVulkan.cpp
@@ -68,7 +68,7 @@
 // TODO: Except for color swizzle, exact matches are available.
 // So we can get rid of the conversion functions entirely.
 #define VULKAN_4444_FORMAT VK_FORMAT_R4G4B4A4_UNORM_PACK16
-#define VULKAN_1555_FORMAT VK_FORMAT_A1R5G5B5_UNORM_PACK16   // TODO: Switch to the one that matches the PSP better.
+#define VULKAN_1555_FORMAT VK_FORMAT_R5G5B5A1_UNORM_PACK16
 #define VULKAN_565_FORMAT  VK_FORMAT_R5G6B5_UNORM_PACK16
 #define VULKAN_8888_FORMAT VK_FORMAT_R8G8B8A8_UNORM