diff --git a/core/variant_call.cpp b/core/variant_call.cpp
index f2deab56e846..195afcd55755 100644
--- a/core/variant_call.cpp
+++ b/core/variant_call.cpp
@@ -1688,7 +1688,7 @@ void register_variant_methods() {
 	ADDFUNC0R(STRING, BOOL, String, empty, varray());
 	ADDFUNC1R(STRING, STRING, String, humanize_size, INT, "size", varray());
 	ADDFUNC0R(STRING, BOOL, String, is_abs_path, varray());
-	ADDFUNC0R(STRING, BOOL, String, simplify_path, varray());
+	ADDFUNC0R(STRING, STRING, String, simplify_path, varray());
 	ADDFUNC0R(STRING, BOOL, String, is_rel_path, varray());
 	ADDFUNC0R(STRING, STRING, String, get_base_dir, varray());
 	ADDFUNC0R(STRING, STRING, String, get_file, varray());
diff --git a/doc/classes/String.xml b/doc/classes/String.xml
index 7a9c04c9738d..221617e6818d 100644
--- a/doc/classes/String.xml
+++ b/doc/classes/String.xml
@@ -667,7 +667,7 @@
 			</description>
 		</method>
 		<method name="simplify_path">
-			<return type="bool" />
+			<return type="String" />
 			<description>
 				Returns a simplified canonical path.
 			</description>