diff --git a/gfx/drivers_shader/shader_vulkan.cpp b/gfx/drivers_shader/shader_vulkan.cpp
index a13a94555a..3da09a6fcc 100644
--- a/gfx/drivers_shader/shader_vulkan.cpp
+++ b/gfx/drivers_shader/shader_vulkan.cpp
@@ -507,8 +507,9 @@ static VkFormat glslang_format_to_vk(glslang_format fmt)
       FMT(R32G32B32A32_SFLOAT);
 
       default:
-         return VK_FORMAT_UNDEFINED;
+         break;
    }
+   return VK_FORMAT_UNDEFINED;
 }
 
 static unique_ptr<StaticTexture> vulkan_filter_chain_load_lut(