diff --git a/internal/driver/graphics.go b/internal/driver/graphics.go
index 8fcc744ef..7c6bc1ac8 100644
--- a/internal/driver/graphics.go
+++ b/internal/driver/graphics.go
@@ -30,8 +30,8 @@ type Region struct {
 }
 
 const (
-	InvalidImageID  = -1
-	InvalidShaderID = -1
+	InvalidImageID  = 0
+	InvalidShaderID = 0
 )
 
 type Graphics interface {
diff --git a/internal/graphicsdriver/metal/graphics.go b/internal/graphicsdriver/metal/graphics.go
index 9e016d5b2..be86f7c7a 100644
--- a/internal/graphicsdriver/metal/graphics.go
+++ b/internal/graphicsdriver/metal/graphics.go
@@ -408,15 +408,13 @@ func (g *Graphics) checkSize(width, height int) {
 }
 
 func (g *Graphics) genNextImageID() driver.ImageID {
-	id := g.nextImageID
 	g.nextImageID++
-	return id
+	return g.nextImageID
 }
 
 func (g *Graphics) genNextShaderID() driver.ShaderID {
-	id := g.nextShaderID
 	g.nextShaderID++
-	return id
+	return g.nextShaderID
 }
 
 func (g *Graphics) NewImage(width, height int) (driver.Image, error) {
diff --git a/internal/graphicsdriver/opengl/graphics.go b/internal/graphicsdriver/opengl/graphics.go
index 8ed7de348..da0ccc01f 100644
--- a/internal/graphicsdriver/opengl/graphics.go
+++ b/internal/graphicsdriver/opengl/graphics.go
@@ -74,15 +74,13 @@ func (g *Graphics) checkSize(width, height int) {
 }
 
 func (g *Graphics) genNextImageID() driver.ImageID {
-	id := g.nextImageID
 	g.nextImageID++
-	return id
+	return g.nextImageID
 }
 
 func (g *Graphics) genNextShaderID() driver.ShaderID {
-	id := g.nextShaderID
 	g.nextShaderID++
-	return id
+	return g.nextShaderID
 }
 
 func (g *Graphics) NewImage(width, height int) (driver.Image, error) {