diff --git a/doc/classes/SpriteBase3D.xml b/doc/classes/SpriteBase3D.xml
index ca108e664f68..798772af5b4a 100644
--- a/doc/classes/SpriteBase3D.xml
+++ b/doc/classes/SpriteBase3D.xml
@@ -44,7 +44,7 @@
 		<member name="alpha_antialiasing_mode" type="int" setter="set_alpha_antialiasing" getter="get_alpha_antialiasing" enum="BaseMaterial3D.AlphaAntiAliasing" default="0">
 			The type of alpha antialiasing to apply. See [enum BaseMaterial3D.AlphaAntiAliasing].
 		</member>
-		<member name="alpha_cut" type="int" setter="set_alpha_cut_mode" getter="get_alpha_cut_mode" enum="SpriteBase3D.AlphaCutMode" default="0">
+		<member name="alpha_cut" type="int" setter="set_alpha_cut_mode" getter="get_alpha_cut_mode" enum="SpriteBase3D.AlphaCutMode" default="2">
 			The alpha cutting mode to use for the sprite. See [enum AlphaCutMode] for possible values.
 		</member>
 		<member name="alpha_hash_scale" type="float" setter="set_alpha_hash_scale" getter="get_alpha_hash_scale" default="1.0">
diff --git a/scene/3d/sprite_3d.h b/scene/3d/sprite_3d.h
index 1eb121195135..02252818f90f 100644
--- a/scene/3d/sprite_3d.h
+++ b/scene/3d/sprite_3d.h
@@ -86,7 +86,7 @@ class SpriteBase3D : public GeometryInstance3D {
 	RID last_texture;
 
 	bool flags[FLAG_MAX] = {};
-	AlphaCutMode alpha_cut = ALPHA_CUT_DISABLED;
+	AlphaCutMode alpha_cut = ALPHA_CUT_OPAQUE_PREPASS;
 	float alpha_scissor_threshold = 0.5;
 	float alpha_hash_scale = 1.0;
 	StandardMaterial3D::AlphaAntiAliasing alpha_antialiasing_mode = StandardMaterial3D::ALPHA_ANTIALIASING_OFF;