diff --git a/GPU/Directx9/ShaderManagerDX9.cpp b/GPU/Directx9/ShaderManagerDX9.cpp
index 78988911cc..9588053b55 100644
--- a/GPU/Directx9/ShaderManagerDX9.cpp
+++ b/GPU/Directx9/ShaderManagerDX9.cpp
@@ -147,9 +147,13 @@ void ShaderManagerDX9::PSSetColorUniform3(int creg, u32 color) {
 }
 
 void ShaderManagerDX9::PSSetColorUniform3Alpha255(int creg, u32 color, u8 alpha) {
-	float f[4];
-	Uint8x3ToFloat4_AlphaUint8(f, color, alpha);
-	device_->SetPixelShaderConstantF(creg, f, 1);
+	const float col[4] = {
+		(float)((color & 0xFF)),
+		(float)((color & 0xFF00) >> 8),
+		(float)((color & 0xFF0000) >> 16),
+		(float)alpha,
+	};
+	device_->SetPixelShaderConstantF(creg, col, 1);
 }
 
 void ShaderManagerDX9::PSSetFloat(int creg, float value) {
diff --git a/GPU/Vulkan/DepalettizeShaderVulkan.cpp b/GPU/Vulkan/DepalettizeShaderVulkan.cpp
index a080b27416..b7dec11221 100644
--- a/GPU/Vulkan/DepalettizeShaderVulkan.cpp
+++ b/GPU/Vulkan/DepalettizeShaderVulkan.cpp
@@ -69,7 +69,8 @@ DepalShaderCacheVulkan::~DepalShaderCacheVulkan() {
 
 void DepalShaderCacheVulkan::DeviceLost() {
 	Clear();
-	vulkan_->Delete().QueueDeleteShaderModule(vshader_);
+	if (vshader_)
+		vulkan_->Delete().QueueDeleteShaderModule(vshader_);
 	draw_ = nullptr;
 	vulkan_ = nullptr;
 }