diff --git a/src/renderers/shaders/ShaderChunk/shadowmap_vertex.glsl b/src/renderers/shaders/ShaderChunk/shadowmap_vertex.glsl
index a23f64ed8401a6ea9cbcc8b351491fa8c6691490..d1e4171c9b86f6c3a4535ba0ca5c36ee8174fac5 100644
--- a/src/renderers/shaders/ShaderChunk/shadowmap_vertex.glsl
+++ b/src/renderers/shaders/ShaderChunk/shadowmap_vertex.glsl
@@ -1,10 +1,16 @@
 #ifdef USE_SHADOWMAP
 
-	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
+	#if NUM_DIR_LIGHTS > 0
 
-		vDirectionalShadowCoord[ i ] = directionalLights[ i ].shadowMatrix * worldPosition;
+		for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
 
-	}
+			vDirectionalShadowCoord[ i ] = directionalLights[ i ].shadowMatrix * worldPosition;
+
+		}
+
+	#endif
+
+	#if NUM_SPOT_LIGHTS > 0
 
 	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
 
@@ -12,10 +18,16 @@
 
 	}
 
+	#endif
+
+	#if NUM_POINT_LIGHTS > 0
+
 	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
 
 		vPointShadowCoord[ i ] = pointLights[ i ].shadowMatrix * worldPosition;
 
 	}
 
+	#endif
+
 #endif