diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index e81468e8881..f17d7372e26 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -592,17 +592,17 @@ struct Time {
 };
 */
 
-int _OS::get_static_memory_usage() const {
+uint64_t _OS::get_static_memory_usage() const {
 
 	return OS::get_singleton()->get_static_memory_usage();
 }
 
-int _OS::get_static_memory_peak_usage() const {
+uint64_t _OS::get_static_memory_peak_usage() const {
 
 	return OS::get_singleton()->get_static_memory_peak_usage();
 }
 
-int _OS::get_dynamic_memory_usage() const {
+uint64_t _OS::get_dynamic_memory_usage() const {
 
 	return OS::get_singleton()->get_dynamic_memory_usage();
 }
diff --git a/core/bind/core_bind.h b/core/bind/core_bind.h
index a4b4629037f..1c8b985d734 100644
--- a/core/bind/core_bind.h
+++ b/core/bind/core_bind.h
@@ -283,9 +283,9 @@ public:
 	uint64_t get_system_time_secs() const;
 	uint64_t get_system_time_msecs() const;
 
-	int get_static_memory_usage() const;
-	int get_static_memory_peak_usage() const;
-	int get_dynamic_memory_usage() const;
+	uint64_t get_static_memory_usage() const;
+	uint64_t get_static_memory_peak_usage() const;
+	uint64_t get_dynamic_memory_usage() const;
 
 	void delay_usec(uint32_t p_usec) const;
 	void delay_msec(uint32_t p_msec) const;
diff --git a/core/os/os.cpp b/core/os/os.cpp
index 1f967030e79..d2d39d253aa 100644
--- a/core/os/os.cpp
+++ b/core/os/os.cpp
@@ -393,16 +393,16 @@ Error OS::dialog_input_text(String p_title, String p_description, String p_parti
 	return OK;
 };
 
-int OS::get_static_memory_usage() const {
+uint64_t OS::get_static_memory_usage() const {
 
 	return Memory::get_mem_usage();
 }
-int OS::get_dynamic_memory_usage() const {
+uint64_t OS::get_dynamic_memory_usage() const {
 
 	return MemoryPool::total_memory;
 }
 
-int OS::get_static_memory_peak_usage() const {
+uint64_t OS::get_static_memory_peak_usage() const {
 
 	return Memory::get_mem_max_usage();
 }
@@ -418,7 +418,7 @@ bool OS::has_touchscreen_ui_hint() const {
 	return Input::get_singleton() && Input::get_singleton()->is_emulating_touch_from_mouse();
 }
 
-int OS::get_free_static_memory() const {
+uint64_t OS::get_free_static_memory() const {
 
 	return Memory::get_mem_available();
 }
diff --git a/core/os/os.h b/core/os/os.h
index 36d4e5a8c1b..a08bdcb6089 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -382,10 +382,10 @@ public:
 	virtual void print_resources_in_use(bool p_short = false);
 	virtual void print_all_resources(String p_to_file = "");
 
-	virtual int get_static_memory_usage() const;
-	virtual int get_static_memory_peak_usage() const;
-	virtual int get_dynamic_memory_usage() const;
-	virtual int get_free_static_memory() const;
+	virtual uint64_t get_static_memory_usage() const;
+	virtual uint64_t get_static_memory_peak_usage() const;
+	virtual uint64_t get_dynamic_memory_usage() const;
+	virtual uint64_t get_free_static_memory() const;
 
 	RenderThreadMode get_render_thread_mode() const { return _render_thread_mode; }