diff --git a/Source/Core/VideoBackends/Vulkan/FramebufferManager.cpp b/Source/Core/VideoBackends/Vulkan/FramebufferManager.cpp
index 3f76d180b0..be751f636e 100644
--- a/Source/Core/VideoBackends/Vulkan/FramebufferManager.cpp
+++ b/Source/Core/VideoBackends/Vulkan/FramebufferManager.cpp
@@ -1274,12 +1274,12 @@ bool FramebufferManager::CompilePokeShaders()
     layout(triangles) in;
     layout(triangle_strip, max_vertices = EFB_LAYERS * 3) out;
 
-    in VertexData
+    VARYING_LOCATION(0) in VertexData
     {
       vec4 col0;
     } in_data[];
 
-    out VertexData
+    VARYING_LOCATION(0) out VertexData
     {
       vec4 col0;
     } out_data;