diff --git a/source/blender/blenkernel/intern/lightprobe.c b/source/blender/blenkernel/intern/lightprobe.c
index e0e778725fc..51fd2504da2 100644
--- a/source/blender/blenkernel/intern/lightprobe.c
+++ b/source/blender/blenkernel/intern/lightprobe.c
@@ -44,6 +44,7 @@ void BKE_lightprobe_init(LightProbe *probe)
 {
 	BLI_assert(MEMCMP_STRUCT_OFS_IS_ZERO(probe, id));
 
+	probe->grid_resolution_x = probe->grid_resolution_y = probe->grid_resolution_z = 4;
 	probe->distinf = 5.0f;
 	probe->distpar = 5.0f;
 	probe->falloff = 0.2f;