diff --git a/engine/src/core-data/Common/MatDefs/Misc/Unshaded.frag b/engine/src/core-data/Common/MatDefs/Misc/Unshaded.frag
index bcfa31b69..a5f1904da 100644
--- a/engine/src/core-data/Common/MatDefs/Misc/Unshaded.frag
+++ b/engine/src/core-data/Common/MatDefs/Misc/Unshaded.frag
@@ -1,6 +1,6 @@
 uniform vec4 m_Color;
 
-#if defined(HAS_GLOWMAP) || defined(HAS_COLORMAP) || (defined(HAS_LIGHTMAP) && !defined(SEPERATE_TEXCOORD))
+#if defined(HAS_GLOWMAP) || defined(HAS_COLORMAP) || (defined(HAS_LIGHTMAP) && !defined(SEPARATE_TEXCOORD))
     #define NEED_TEXCOORD1
 #endif
 
@@ -39,7 +39,7 @@ void main(){
     #endif
 
     #ifdef HAS_LIGHTMAP
-        #ifdef SEPERATE_TEXCOORD
+        #ifdef SEPARATE_TEXCOORD
             color.rgb *= texture2D(m_LightMap, texCoord2).rgb;
         #else
             color.rgb *= texture2D(m_LightMap, texCoord1).rgb;
diff --git a/engine/src/core-data/Common/MatDefs/Misc/Unshaded.j3md b/engine/src/core-data/Common/MatDefs/Misc/Unshaded.j3md
index 4a49426c5..c50e86116 100644
--- a/engine/src/core-data/Common/MatDefs/Misc/Unshaded.j3md
+++ b/engine/src/core-data/Common/MatDefs/Misc/Unshaded.j3md
@@ -5,7 +5,7 @@ MaterialDef Unshaded {
         Texture2D LightMap
         Color Color : Color
         Boolean VertexColor
-        Boolean SeperateTexCoord
+        Boolean SeparateTexCoord
 
         // Texture of the glowing parts of the material
         Texture2D GlowMap
@@ -22,7 +22,7 @@ MaterialDef Unshaded {
         }
 
         Defines {
-            SEPERATE_TEXCOORD : SeperateTexCoord
+            SEPARATE_TEXCOORD : SeparateTexCoord
             HAS_COLORMAP : ColorMap
             HAS_LIGHTMAP : LightMap
             HAS_VERTEXCOLOR : VertexColor
diff --git a/engine/src/core-data/Common/MatDefs/Misc/Unshaded.vert b/engine/src/core-data/Common/MatDefs/Misc/Unshaded.vert
index 39dd97300..7bf9f7e64 100644
--- a/engine/src/core-data/Common/MatDefs/Misc/Unshaded.vert
+++ b/engine/src/core-data/Common/MatDefs/Misc/Unshaded.vert
@@ -1,7 +1,7 @@
 uniform mat4 g_WorldViewProjectionMatrix;
 attribute vec3 inPosition;
 
-#if defined(HAS_COLORMAP) || (defined(HAS_LIGHTMAP) && !defined(SEPERATE_TEXCOORD))
+#if defined(HAS_COLORMAP) || (defined(HAS_LIGHTMAP) && !defined(SEPARATE_TEXCOORD))
     #define NEED_TEXCOORD1
 #endif
 
@@ -10,7 +10,7 @@ attribute vec3 inPosition;
     varying vec2 texCoord1;
 #endif
 
-#ifdef SEPERATE_TEXCOORD
+#ifdef SEPARATE_TEXCOORD
     attribute vec2 inTexCoord2;
     varying vec2 texCoord2;
 #endif
@@ -25,7 +25,7 @@ void main(){
         texCoord1 = inTexCoord;
     #endif
 
-    #ifdef SEPERATE_TEXCOORD
+    #ifdef SEPARATE_TEXCOORD
         texCoord2 = inTexCoord2;
     #endif