diff --git a/editor/project_converter_3_to_4.cpp b/editor/project_converter_3_to_4.cpp
index 26f872421e2..706466a9749 100644
--- a/editor/project_converter_3_to_4.cpp
+++ b/editor/project_converter_3_to_4.cpp
@@ -30,13 +30,14 @@
 
 #include "project_converter_3_to_4.h"
 
-#include "modules/modules_enabled.gen.h"
-
 #ifndef DISABLE_DEPRECATED
-#ifdef MODULE_REGEX_ENABLED
 
 const int ERROR_CODE = 77;
 
+#include "modules/modules_enabled.gen.h" // For regex.
+
+#ifdef MODULE_REGEX_ENABLED
+
 #include "modules/regex/regex.h"
 
 #include "core/io/dir_access.h"
diff --git a/editor/project_converter_3_to_4.h b/editor/project_converter_3_to_4.h
index 6ec2dd188d8..641bc467ac5 100644
--- a/editor/project_converter_3_to_4.h
+++ b/editor/project_converter_3_to_4.h
@@ -29,9 +29,10 @@
 /**************************************************************************/
 
 #ifndef PROJECT_CONVERTER_3_TO_4_H
-#ifndef DISABLE_DEPRECATED
 #define PROJECT_CONVERTER_3_TO_4_H
 
+#ifndef DISABLE_DEPRECATED
+
 #include "core/io/file_access.h"
 #include "core/object/ref_counted.h"
 #include "core/string/ustring.h"