diff --git a/rpcs3/Emu/RSX/VK/vkutils/sync.cpp b/rpcs3/Emu/RSX/VK/vkutils/sync.cpp
index b9b27acc26..e751ab7a26 100644
--- a/rpcs3/Emu/RSX/VK/vkutils/sync.cpp
+++ b/rpcs3/Emu/RSX/VK/vkutils/sync.cpp
@@ -286,7 +286,7 @@ namespace vk
 		vk::gpu_debug_marker::insert(
 			*m_device,
 			*m_cb,
-			fmt::format("0x%x: Enter %s", m_tag, m_message)
+			fmt::format("0x%llx: Enter %s", m_tag, m_message)
 		);
 	}
 
diff --git a/rpcs3/Emu/RSX/VK/vkutils/sync.h b/rpcs3/Emu/RSX/VK/vkutils/sync.h
index 001840f2a4..457491aa14 100644
--- a/rpcs3/Emu/RSX/VK/vkutils/sync.h
+++ b/rpcs3/Emu/RSX/VK/vkutils/sync.h
@@ -135,7 +135,7 @@ namespace vk
 		const vk::render_device* m_device;
 		const vk::command_buffer* m_cb;
 		std::string m_message;
-		u32 m_tag;
+		u64 m_tag;
 
 	public:
 		debug_marker_scope(const vk::command_buffer& cmd, const std::string& text);