diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index ac5d0faccf4..37976bb9a01 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -771,7 +771,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, bool is_di
 	alpha = min(alpha, clamp(1.0 - attenuation, 0.0, 1.0));
 #endif
 
-#endif // LIGHT_CODE_USED
+#endif // USE_LIGHT_SHADER_CODE
 }
 
 float get_omni_spot_attenuation(float distance, float inv_range, float decay) {
diff --git a/drivers/gles3/storage/material_storage.cpp b/drivers/gles3/storage/material_storage.cpp
index 60a8a41abe8..c09a61d6e76 100644
--- a/drivers/gles3/storage/material_storage.cpp
+++ b/drivers/gles3/storage/material_storage.cpp
@@ -1660,6 +1660,7 @@ MaterialStorage::MaterialStorage() {
 
 		//for light
 		actions.renames["VIEW"] = "view";
+		actions.renames["SPECULAR_AMOUNT"] = "specular_amount";
 		actions.renames["LIGHT_COLOR"] = "light_color";
 		actions.renames["LIGHT_IS_DIRECTIONAL"] = "is_directional";
 		actions.renames["LIGHT"] = "light";
diff --git a/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp b/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp
index 6c948d3474e..7d2f14ae0b5 100644
--- a/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp
+++ b/servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cpp
@@ -641,6 +641,7 @@ void SceneShaderForwardClustered::init(const String p_defines) {
 
 		//for light
 		actions.renames["VIEW"] = "view";
+		actions.renames["SPECULAR_AMOUNT"] = "specular_amount";
 		actions.renames["LIGHT_COLOR"] = "light_color";
 		actions.renames["LIGHT_IS_DIRECTIONAL"] = "is_directional";
 		actions.renames["LIGHT"] = "light";
diff --git a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
index a93b9944670..0427b7c328c 100644
--- a/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
+++ b/servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.cpp
@@ -531,6 +531,7 @@ void SceneShaderForwardMobile::init(const String p_defines) {
 
 		//for light
 		actions.renames["VIEW"] = "view";
+		actions.renames["SPECULAR_AMOUNT"] = "specular_amount";
 		actions.renames["LIGHT_COLOR"] = "light_color";
 		actions.renames["LIGHT_IS_DIRECTIONAL"] = "is_directional";
 		actions.renames["LIGHT"] = "light";
diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp
index d95caeddc53..4e8057ef8fa 100644
--- a/servers/rendering/shader_types.cpp
+++ b/servers/rendering/shader_types.cpp
@@ -187,6 +187,7 @@ ShaderTypes::ShaderTypes() {
 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["UV2"] = constt(ShaderLanguage::TYPE_VEC2);
 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["VIEW"] = constt(ShaderLanguage::TYPE_VEC3);
+	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["SPECULAR_AMOUNT"] = constt(ShaderLanguage::TYPE_FLOAT);
 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT"] = constt(ShaderLanguage::TYPE_VEC3);
 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT_IS_DIRECTIONAL"] = constt(ShaderLanguage::TYPE_BOOL);