diff --git a/internal/graphicscommand/commandqueue.go b/internal/graphicscommand/commandqueue.go
index caaa31707..97075345c 100644
--- a/internal/graphicscommand/commandqueue.go
+++ b/internal/graphicscommand/commandqueue.go
@@ -468,7 +468,7 @@ func prependPreservedUniforms(uniforms []uint32, shader *Shader, dst *Image, src
 	return uniforms
 }
 
-// Confirm the concrete value of graphics.PreservedUniformUint32Count.
+// Confirm the concrete value of graphics.PreservedUniformDwordCount.
 var _ [0]struct{} = [graphics.PreservedUniformDwordCount - 46]struct{}{}
 
 type commandQueuePool struct {
diff --git a/internal/graphicsdriver/metal/graphics_darwin.go b/internal/graphicsdriver/metal/graphics_darwin.go
index 0b0e57c5c..91e9b1472 100644
--- a/internal/graphicsdriver/metal/graphics_darwin.go
+++ b/internal/graphicsdriver/metal/graphics_darwin.go
@@ -882,7 +882,7 @@ func adjustUniformVariablesLayout(uniformTypes []shaderir.Type, uniforms []uint3
 
 	var idx int
 	for i, typ := range uniformTypes {
-		n := typ.Uint32Count()
+		n := typ.DwordCount()
 		switch typ.Main {
 		case shaderir.Float, shaderir.Int:
 			values = append(values, uniforms[idx:idx+n]...)