diff --git a/scene/2d/canvas_item.cpp b/scene/2d/canvas_item.cpp
index 7e97872469a..f65bd8ddc90 100644
--- a/scene/2d/canvas_item.cpp
+++ b/scene/2d/canvas_item.cpp
@@ -176,7 +176,7 @@ void CanvasItemMaterial::flush_changes() {
 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 ae0e638fdfd..9ea94154459 100644
--- a/scene/2d/canvas_item.h
+++ b/scene/2d/canvas_item.h
@@ -113,6 +113,7 @@ 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 36c56847e22..4cf8a83e957 100644
--- a/scene/resources/material.cpp
+++ b/scene/resources/material.cpp
@@ -1073,7 +1073,7 @@ void SpatialMaterial::flush_changes() {
 void SpatialMaterial::_queue_shader_change() {
 	material_mutex.lock();
 
-	if (!element.in_list()) {
+	if (is_initialized && !element.in_list()) {
 		dirty_materials->add(&element);
 	}
 
@@ -2317,6 +2317,7 @@ 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 e8e772386c6..94ab38304e5 100644
--- a/scene/resources/material.h
+++ b/scene/resources/material.h
@@ -366,6 +366,7 @@ 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 74034c56004..ae7008f5b8e 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -690,7 +690,7 @@ void ParticlesMaterial::flush_changes() {
 void ParticlesMaterial::_queue_shader_change() {
 	material_mutex.lock();
 
-	if (!element.in_list()) {
+	if (is_initialized && !element.in_list()) {
 		dirty_materials->add(&element);
 	}
 
@@ -1367,6 +1367,7 @@ 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 f82274bde2f..3d564c7880a 100644
--- a/scene/resources/particles_material.h
+++ b/scene/resources/particles_material.h
@@ -203,6 +203,7 @@ private:
 	_FORCE_INLINE_ void _queue_shader_change();
 	_FORCE_INLINE_ bool _is_shader_dirty() const;
 
+	bool is_initialized = false;
 	Vector3 direction;
 	float spread;
 	float flatness;