diff --git a/core/config/project_settings.cpp b/core/config/project_settings.cpp
index eac1a66be70e..e59f79fcc807 100644
--- a/core/config/project_settings.cpp
+++ b/core/config/project_settings.cpp
@@ -329,9 +329,9 @@ bool ProjectSettings::_set(const StringName &p_name, const Variant &p_value) {
 			String path = p_value;
 			if (path.begins_with("*")) {
 				autoload.is_singleton = true;
-				autoload.path = path.substr(1);
+				autoload.path = path.substr(1).simplify_path();
 			} else {
-				autoload.path = path;
+				autoload.path = path.simplify_path();
 			}
 			add_autoload(autoload);
 		} else if (p_name.operator String().begins_with("global_group/")) {
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp
index a1ea94667da2..433f767f1e26 100644
--- a/modules/gdscript/gdscript_parser.cpp
+++ b/modules/gdscript/gdscript_parser.cpp
@@ -413,7 +413,7 @@ Error GDScriptParser::parse_binary(const Vector<uint8_t> &p_binary, const String
 	}
 
 	tokenizer = buffer_tokenizer;
-	script_path = p_script_path;
+	script_path = p_script_path.simplify_path();
 	current = tokenizer->scan();
 	// Avoid error or newline as the first token.
 	// The latter can mess with the parser when opening files filled exclusively with comments and newlines.