diff --git a/src/dlangui/graphics/glsupport.d b/src/dlangui/graphics/glsupport.d
index 41552487..a4252b45 100644
--- a/src/dlangui/graphics/glsupport.d
+++ b/src/dlangui/graphics/glsupport.d
@@ -118,7 +118,7 @@ string glerrorToString(in GLenum err) pure nothrow {
 }
 
 
-class GLProgram : dlangui.graphics.scene.effect.GraphicsEffect {
+class GLProgram : dlangui.graphics.scene.mesh.GraphicsEffect {
     @property abstract string vertexSource();
     @property abstract string fragmentSource();
     protected GLuint program;
diff --git a/src/dlangui/graphics/scene/effect.d b/src/dlangui/graphics/scene/effect.d
index 1b03491c..806f07b2 100644
--- a/src/dlangui/graphics/scene/effect.d
+++ b/src/dlangui/graphics/scene/effect.d
@@ -9,22 +9,6 @@ import dlangui.graphics.glsupport;
 import dlangui.graphics.gldrawbuf;
 import dlangui.graphics.scene.mesh;
 
-/// Base class for graphics effect / program - e.g. for OpenGL shader program
-abstract class GraphicsEffect : RefCountedObject {
-    /// get location for vertex attribute
-    int getVertexElementLocation(VertexElementType type);
-
-    void setUniform(string uniformName, mat4 matrix);
-
-    void setUniform(string uniformName, vec2 vec);
-
-    void setUniform(string uniformName, vec3 vec);
-
-    void setUniform(string uniformName, vec4 vec);
-
-    void draw(Mesh mesh);
-}
-
 /// Reference counted Effect object
 alias EffectRef = Ref!Effect;
 
diff --git a/src/dlangui/graphics/scene/mesh.d b/src/dlangui/graphics/scene/mesh.d
index 75200bc3..7f2adf41 100644
--- a/src/dlangui/graphics/scene/mesh.d
+++ b/src/dlangui/graphics/scene/mesh.d
@@ -8,6 +8,23 @@ import dlangui.graphics.scene.effect;
 /// Reference counted Mesh object
 alias MeshRef = Ref!Mesh;
 
+/// Base class for graphics effect / program - e.g. for OpenGL shader program
+abstract class GraphicsEffect : RefCountedObject {
+    /// get location for vertex attribute
+    int getVertexElementLocation(VertexElementType type);
+
+    void setUniform(string uniformName, mat4 matrix);
+
+    void setUniform(string uniformName, vec2 vec);
+
+    void setUniform(string uniformName, vec3 vec);
+
+    void setUniform(string uniformName, vec4 vec);
+
+    void draw(Mesh mesh);
+}
+
+
 /// vertex element type
 enum VertexElementType : ubyte {
     POSITION = 1,