diff --git a/src/index.d.ts b/src/index.d.ts
index 4e2965e4..82a2f10b 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -301,8 +301,17 @@ export class MeshBVHUniformStruct {
 
 }
 
+export const BVHShaderGLSL: {
+	bvh_distance_functions: string;
+	bvh_ray_functions: string;
+	bvh_struct_definitions: string;
+	common_functions: string;
+};
+
+// backwards compatibility
 export const shaderStructs: string;
-export const shaderFunctions: string;
+export const shaderDistanceFunction: string;
+export const shaderIntersectFunction: string;
 
 // Math classes
 export class ExtendedTriangle extends Triangle {