diff --git a/drivers/gles3/storage/material_storage.cpp b/drivers/gles3/storage/material_storage.cpp
index eccab2fd28..f650aee4e3 100644
--- a/drivers/gles3/storage/material_storage.cpp
+++ b/drivers/gles3/storage/material_storage.cpp
@@ -1573,9 +1573,9 @@ MaterialStorage::MaterialStorage() {
 		ShaderCompiler::DefaultIdentifierActions actions;
 
 		actions.renames["TIME"] = "time";
-		actions.renames["PI"] = _MKSTR(Math_PI);
-		actions.renames["TAU"] = _MKSTR(Math_TAU);
-		actions.renames["E"] = _MKSTR(Math_E);
+		actions.renames["PI"] = String::num(Math::PI);
+		actions.renames["TAU"] = String::num(Math::TAU);
+		actions.renames["E"] = String::num(Math::E);
 
 		actions.renames["FRAGCOORD"] = "gl_FragCoord";
 
diff --git a/servers/rendering/renderer_rd/storage_rd/texture_storage.cpp b/servers/rendering/renderer_rd/storage_rd/texture_storage.cpp
index 98be8e01dd..e94291731f 100644
--- a/servers/rendering/renderer_rd/storage_rd/texture_storage.cpp
+++ b/servers/rendering/renderer_rd/storage_rd/texture_storage.cpp
@@ -659,9 +659,9 @@ void TextureStorage::_tex_blit_shader_initialize() {
 		ShaderCompiler::DefaultIdentifierActions actions;
 
 		actions.renames["TIME"] = "data.time";
-		actions.renames["PI"] = _MKSTR(Math_PI);
-		actions.renames["TAU"] = _MKSTR(Math_TAU);
-		actions.renames["E"] = _MKSTR(Math_E);
+		actions.renames["PI"] = String::num(Math::PI);
+		actions.renames["TAU"] = String::num(Math::TAU);
+		actions.renames["E"] = String::num(Math::E);
 
 		actions.renames["FRAGCOORD"] = "gl_FragCoord";