diff --git a/leenkx/Shaders/voxel_temporal/voxel_temporal.comp.glsl b/leenkx/Shaders/voxel_temporal/voxel_temporal.comp.glsl
index a5b6350..919e01a 100644
--- a/leenkx/Shaders/voxel_temporal/voxel_temporal.comp.glsl
+++ b/leenkx/Shaders/voxel_temporal/voxel_temporal.comp.glsl
@@ -74,8 +74,9 @@ void main() {
 	#endif
 	#endif
 
-	mat3 TBN = mat3(1.0);
+	int nor_count = 0;
 	vec3 avgNormal = vec3(0.0);
+	mat3 TBN = mat3(0.0);
 
 	for (int i = 0; i < 6 + DIFFUSE_CONE_COUNT; i++)
 	{
@@ -116,10 +117,18 @@ void main() {
 				N.g = float(imageLoad(voxels, src + ivec3(0, 0, voxelgiResolution.x * 8))) / 255;
 				N /= count;
 				N = decode_oct(N.rg * 2.0 - 1.0);
-				avgNormal += N;
 
+				if (abs(N.x) > 0)
+					avgNormal.x += N.x;
+				if (abs(N.y) > 0)
+					avgNormal.y += N.y;
+				if (abs(N.z) > 0)
+					avgNormal.z += N.z;
 				if (i == 5)
-					TBN = makeTangentBasis(normalize(avgNormal));
+				{
+					avgNormal = normalize(avgNormal);
+					TBN = makeTangentBasis(avgNormal);
+				}
 
 				vec3 envl = vec3(0.0);
 				envl.r = float(imageLoad(voxels, src + ivec3(0, 0, voxelgiResolution.x * 9))) / 255;
@@ -245,4 +254,4 @@ void main() {
 	imageStore(SDF, dst_sdf, vec4(sdf));
 	#endif
 	#endif
-}
+}
\ No newline at end of file