diff --git a/shaders/lib/diffuse_lighting.glsl b/shaders/lib/diffuse_lighting.glsl
index d83bf83..b6436f2 100644
--- a/shaders/lib/diffuse_lighting.glsl
+++ b/shaders/lib/diffuse_lighting.glsl
@@ -262,12 +262,12 @@ vec3 doIndirectLighting(
 
 #ifndef VOXY_PROGRAM
 uniform float centerDepthSmooth;
-#ifdef IEXT
+#ifdef IEXT_ENABLED
 uniform bool IEXT_KEY_1;
 #endif
 
 vec3 calculateFlashlight(in vec2 texcoord, in vec3 viewPos, in vec3 albedo, in vec3 normal, out vec4 flashLightSpecularData, bool hand){
-    #ifdef IEXT
+    #ifdef IEXT_ENABLED
     if(!IEXT_KEY_1) return vec3(0.0);
     #endif