diff --git a/scene/2d/canvas_item.cpp b/scene/2d/canvas_item.cpp
index 6d8b1508f26..ab5e3580cb5 100644
--- a/scene/2d/canvas_item.cpp
+++ b/scene/2d/canvas_item.cpp
@@ -162,7 +162,7 @@ void CanvasItemMaterial::_queue_shader_change() {
 
 	material_mutex.lock();
 
-	if (!element.in_list()) {
+	if (is_initialized && !element.in_list()) {
 		dirty_materials->add(&element);
 	}
 
@@ -313,6 +313,7 @@ CanvasItemMaterial::CanvasItemMaterial() :
 
 	current_key.key = 0;
 	current_key.invalid_key = 1;
+	is_initialized = true;
 	_queue_shader_change();
 }
 
diff --git a/scene/2d/canvas_item.h b/scene/2d/canvas_item.h
index 6ecd0b31a12..28fa1b4564f 100644
--- a/scene/2d/canvas_item.h
+++ b/scene/2d/canvas_item.h
@@ -116,6 +116,7 @@ private:
 	_FORCE_INLINE_ void _queue_shader_change();
 	_FORCE_INLINE_ bool _is_shader_dirty() const;
 
+	bool is_initialized = false;
 	BlendMode blend_mode;
 	LightMode light_mode;
 	bool particles_animation;
diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp
index 079c3bc32db..3f7362b012d 100644
--- a/scene/resources/material.cpp
+++ b/scene/resources/material.cpp
@@ -1071,7 +1071,7 @@ void SpatialMaterial::_queue_shader_change() {
 
 	material_mutex.lock();
 
-	if (!element.in_list()) {
+	if (is_initialized && !element.in_list()) {
 		dirty_materials->add(&element);
 	}
 
@@ -2409,6 +2409,7 @@ SpatialMaterial::SpatialMaterial() :
 
 	current_key.key = 0;
 	current_key.invalid_key = 1;
+	is_initialized = true;
 	_queue_shader_change();
 }
 
diff --git a/scene/resources/material.h b/scene/resources/material.h
index cba64cc24f8..5644590629d 100644
--- a/scene/resources/material.h
+++ b/scene/resources/material.h
@@ -371,6 +371,7 @@ private:
 	_FORCE_INLINE_ void _queue_shader_change();
 	_FORCE_INLINE_ bool _is_shader_dirty() const;
 
+	bool is_initialized = false;
 	Color albedo;
 	float specular;
 	float metallic;
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index 18260d6c39d..1ff8975e062 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -621,7 +621,7 @@ void ParticlesMaterial::_queue_shader_change() {
 
 	material_mutex.lock();
 
-	if (!element.in_list()) {
+	if (is_initialized && !element.in_list()) {
 		dirty_materials->add(&element);
 	}
 
@@ -1282,6 +1282,7 @@ ParticlesMaterial::ParticlesMaterial() :
 	current_key.key = 0;
 	current_key.invalid_key = 1;
 
+	is_initialized = true;
 	_queue_shader_change();
 }
 
diff --git a/scene/resources/particles_material.h b/scene/resources/particles_material.h
index 8ea6db9f093..afc30903904 100644
--- a/scene/resources/particles_material.h
+++ b/scene/resources/particles_material.h
@@ -198,6 +198,7 @@ private:
 	_FORCE_INLINE_ void _queue_shader_change();
 	_FORCE_INLINE_ bool _is_shader_dirty() const;
 
+	bool is_initialized = false;
 	Vector3 direction;
 	float spread;
 	float flatness;