diff --git a/src/libslic3r/SLA/IndexedMesh.cpp b/src/libslic3r/SLA/IndexedMesh.cpp
index 485fa98ed8..2f47c63870 100644
--- a/src/libslic3r/SLA/IndexedMesh.cpp
+++ b/src/libslic3r/SLA/IndexedMesh.cpp
@@ -122,7 +122,7 @@ IndexedMesh::hit_result
 IndexedMesh::query_ray_hit(const Vec3d &s, const Vec3d &dir) const
 {
     assert(is_approx(dir.norm(), 1.));
-    igl::Hit hit;
+    igl::Hit hit{-1, -1, 0.f, 0.f, 0.f};
     hit.t = std::numeric_limits<float>::infinity();
 
 #ifdef SLIC3R_HOLE_RAYCASTER