diff --git a/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.frag b/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.frag
index c06cca739..c4d3bdfb0 100644
--- a/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.frag
+++ b/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.frag
@@ -648,7 +648,7 @@ void main(){
     //---------------------
     // normal calculations
     //---------------------
-    #if defined(NORMALMAP) || defined(NORMALMAP_1) || defined(NORMALMAP_2) || defined(NORMALMAP_3)
+    #if defined(NORMALMAP) || defined(NORMALMAP_1) || defined(NORMALMAP_2) || defined(NORMALMAP_3) || defined(NORMALMAP_4) || defined(NORMALMAP_5) || defined(NORMALMAP_6) || defined(NORMALMAP_7) || defined(NORMALMAP_8) || defined(NORMALMAP_9) || defined(NORMALMAP_10) || defined(NORMALMAP_11)
       #ifdef TRI_PLANAR_MAPPING
         vec3 normal = calculateNormalTriPlanar(wNormal, wVertex, texCoord);
       #else
diff --git a/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.vert b/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.vert
index eded0ee13..b73e7e210 100644
--- a/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.vert
+++ b/engine/src/terrain/Common/MatDefs/Terrain/TerrainLighting.vert
@@ -61,7 +61,7 @@ void main(){
     //--------------------------
     // specific to normal maps:
     //--------------------------
-    #if defined(NORMALMAP) || defined(NORMALMAP_1) || defined(NORMALMAP_2) || defined(NORMALMAP_3)
+    #if defined(NORMALMAP) || defined(NORMALMAP_1) || defined(NORMALMAP_2) || defined(NORMALMAP_3) || defined(NORMALMAP_4) || defined(NORMALMAP_5) || defined(NORMALMAP_6) || defined(NORMALMAP_7) || defined(NORMALMAP_8) || defined(NORMALMAP_9) || defined(NORMALMAP_10) || defined(NORMALMAP_11)
       vec3 wvTangent = normalize(g_NormalMatrix * inTangent.xyz);
       vec3 wvBinormal = cross(wvNormal, wvTangent);