diff --git a/engine/src/core-data/Common/MatDefs/Gui/Gui.frag b/engine/src/core-data/Common/MatDefs/Gui/Gui.frag
index caa666c1b..619682ce0 100644
--- a/engine/src/core-data/Common/MatDefs/Gui/Gui.frag
+++ b/engine/src/core-data/Common/MatDefs/Gui/Gui.frag
@@ -1,6 +1,6 @@
 #ifdef TEXTURE
-uniform sampler2D m_Texture;
-varying vec2 texCoord;
+    uniform sampler2D m_Texture;
+    varying vec2 texCoord;
 #endif
 
 varying vec4 color;
diff --git a/engine/src/core-data/Common/MatDefs/Gui/Gui.j3md b/engine/src/core-data/Common/MatDefs/Gui/Gui.j3md
index ea871b507..f37f6c979 100644
--- a/engine/src/core-data/Common/MatDefs/Gui/Gui.j3md
+++ b/engine/src/core-data/Common/MatDefs/Gui/Gui.j3md
@@ -2,8 +2,8 @@ MaterialDef Default GUI {
 
     MaterialParameters {
         Texture2D Texture
-        Color Color ( Color )
-        Boolean VertexColor
+        Color Color (Color)
+        Boolean VertexColor (UseVertexColor)
     }
 
     Technique {
@@ -20,7 +20,7 @@ MaterialDef Default GUI {
         }
     }
 
-    Technique FixedFunc {
+    Technique {
     }
 
 }
\ No newline at end of file
diff --git a/engine/src/core-data/Common/MatDefs/Gui/Gui.vert b/engine/src/core-data/Common/MatDefs/Gui/Gui.vert
index 0591c5e89..7640573dc 100644
--- a/engine/src/core-data/Common/MatDefs/Gui/Gui.vert
+++ b/engine/src/core-data/Common/MatDefs/Gui/Gui.vert
@@ -4,19 +4,17 @@ uniform vec4 m_Color;
 attribute vec3 inPosition;
 
 #ifdef VERTEX_COLOR
-attribute vec4 inColor;
+    attribute vec4 inColor;
 #endif
 
 #ifdef TEXTURE
-attribute vec2 inTexCoord;
-varying vec2 texCoord;
+    attribute vec2 inTexCoord;
+    varying vec2 texCoord;
 #endif
 
 varying vec4 color;
 
 void main() {
-    //vec2 pos = (g_WorldViewProjectionMatrix * inPosition).xy;
-    //gl_Position = vec4(pos, 0.0, 1.0);
     gl_Position = g_WorldViewProjectionMatrix * vec4(inPosition, 1.0);
     #ifdef TEXTURE
         texCoord = inTexCoord;