diff --git a/modules/gdnative/nativescript/nativescript.cpp b/modules/gdnative/nativescript/nativescript.cpp
index 641e4021d88..37e72bf9f85 100644
--- a/modules/gdnative/nativescript/nativescript.cpp
+++ b/modules/gdnative/nativescript/nativescript.cpp
@@ -1016,6 +1016,16 @@ NativeScriptLanguage::NativeScriptLanguage() {
 #ifdef DEBUG_ENABLED
 	profiling = false;
 #endif
+
+	_init_call_type = "nativescript_init";
+	_init_call_name = "nativescript_init";
+	_terminate_call_name = "nativescript_terminate";
+	_noarg_call_type = "nativescript_no_arg";
+	_frame_call_name = "nativescript_frame";
+#ifndef NO_THREADS
+	_thread_enter_call_name = "nativescript_thread_enter";
+	_thread_exit_call_name = "nativescript_thread_exit";
+#endif
 }
 
 NativeScriptLanguage::~NativeScriptLanguage() {
diff --git a/modules/gdnative/nativescript/nativescript.h b/modules/gdnative/nativescript/nativescript.h
index ade8ffd2804..54ad31255cf 100644
--- a/modules/gdnative/nativescript/nativescript.h
+++ b/modules/gdnative/nativescript/nativescript.h
@@ -277,18 +277,14 @@ public:
 
 	Map<String, Set<NativeScript *> > library_script_users;
 
-	const StringName _init_call_type = "nativescript_init";
-	const StringName _init_call_name = "nativescript_init";
-
-	const StringName _terminate_call_name = "nativescript_terminate";
-
-	const StringName _noarg_call_type = "nativescript_no_arg";
-
-	const StringName _frame_call_name = "nativescript_frame";
-
+	StringName _init_call_type;
+	StringName _init_call_name;
+	StringName _terminate_call_name;
+	StringName _noarg_call_type;
+	StringName _frame_call_name;
 #ifndef NO_THREADS
-	const StringName _thread_enter_call_name = "nativescript_thread_enter";
-	const StringName _thread_exit_call_name = "nativescript_thread_exit";
+	StringName _thread_enter_call_name;
+	StringName _thread_exit_call_name;
 #endif
 
 	NativeScriptLanguage();