diff --git a/internal/graphicsdriver/directx/graphics12_windows.go b/internal/graphicsdriver/directx/graphics12_windows.go
index 114119b2b..c814ee9c8 100644
--- a/internal/graphicsdriver/directx/graphics12_windows.go
+++ b/internal/graphicsdriver/directx/graphics12_windows.go
@@ -1133,7 +1133,7 @@ func (g *graphics12) DrawTriangles(dstID graphicsdriver.ImageID, srcs [graphics.
 	}
 
 	shader := g.shaders[shaderID]
-	adjustedUniforms := shader.adjustUniforms(uniforms, shader)
+	adjustedUniforms := shader.adjustUniforms(uniforms)
 
 	w, h := dst.internalSize()
 	g.needFlushDrawCommandList = true
diff --git a/internal/graphicsdriver/directx/shader_windows.go b/internal/graphicsdriver/directx/shader_windows.go
index 6b0486468..2a18c8427 100644
--- a/internal/graphicsdriver/directx/shader_windows.go
+++ b/internal/graphicsdriver/directx/shader_windows.go
@@ -157,10 +157,10 @@ func (s *Shader) pipelineState(blend graphicsdriver.Blend, stencilMode stencilMo
 	return state, nil
 }
 
-func (s *Shader) adjustUniforms(uniforms []uint32, shader *Shader) []uint32 {
+func (s *Shader) adjustUniforms(uniforms []uint32) []uint32 {
 	var fs []uint32
 	var idx int
-	for i, typ := range shader.uniformTypes {
+	for i, typ := range s.uniformTypes {
 		if len(fs) < s.uniformOffsets[i]/4 {
 			fs = append(fs, make([]uint32, s.uniformOffsets[i]/4-len(fs))...)
 		}