diff --git a/engine/src/core-data/Common/MatDefs/Light/Lighting.j3md b/engine/src/core-data/Common/MatDefs/Light/Lighting.j3md
index 5810b2039..2aff43393 100644
--- a/engine/src/core-data/Common/MatDefs/Light/Lighting.j3md
+++ b/engine/src/core-data/Common/MatDefs/Light/Lighting.j3md
@@ -287,7 +287,7 @@ MaterialDef Phong Lighting {
 
     Technique Glow {
 
-        VertexShader GLSL100:   Common/MatDefs/Misc/SimpleTextured.vert
+        VertexShader GLSL100:   Common/MatDefs/Misc/Unshaded.vert
         FragmentShader GLSL100: Common/MatDefs/Light/Glow.frag
 
         WorldParameters {
diff --git a/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md b/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md
index 73674f9bf..2607ea0a1 100644
--- a/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md
+++ b/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md
@@ -94,7 +94,7 @@ MaterialDef Point Sprite {
 
    Technique Glow {
 
-        VertexShader GLSL100:   Common/MatDefs/Misc/SimpleTextured.vert
+        VertexShader GLSL100:   Common/MatDefs/Misc/Unshaded.vert
         FragmentShader GLSL100: Common/MatDefs/Light/Glow.frag
 
         WorldParameters {
diff --git a/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.j3md b/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.j3md
index 0c48999ac..ecc3c0d4c 100644
--- a/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.j3md
+++ b/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.j3md
@@ -238,7 +238,7 @@ MaterialDef Terrain Lighting {
 
     Technique Glow {
 
-        VertexShader GLSL100:   Common/MatDefs/Misc/SimpleTextured.vert
+        VertexShader GLSL100:   Common/MatDefs/Misc/Unshaded.vert
         FragmentShader GLSL100: Common/MatDefs/Light/Glow.frag
 
         WorldParameters {