diff --git a/source/encoders/handlers/nvenc_h264_handler.cpp b/source/encoders/handlers/nvenc_h264_handler.cpp
index 6cb8d50d..9a91ab3a 100644
--- a/source/encoders/handlers/nvenc_h264_handler.cpp
+++ b/source/encoders/handlers/nvenc_h264_handler.cpp
@@ -59,9 +59,11 @@ static std::map<level, std::string> levels{
 	{level::L4_1, "4.1"}, {level::L4_2, "4.2"},   {level::L5_0, "5.0"}, {level::L5_1, "5.1"},
 };
 
-void nvenc_h264_handler::adjust_info(ffmpeg_factory*, const AVCodec*, std::string&, std::string& name, std::string&)
+void nvenc_h264_handler::adjust_info(ffmpeg_factory* fac, const AVCodec*, std::string&, std::string& name, std::string&)
 {
 	name = "NVIDIA NVENC H.264/AVC (via FFmpeg)";
+	if (!nvenc::is_available())
+		fac->get_info()->caps |= OBS_ENCODER_CAP_DEPRECATED;
 }
 
 void nvenc_h264_handler::get_defaults(obs_data_t* settings, const AVCodec* codec, AVCodecContext* context, bool)
diff --git a/source/encoders/handlers/nvenc_hevc_handler.cpp b/source/encoders/handlers/nvenc_hevc_handler.cpp
index 07b25d98..491473c0 100644
--- a/source/encoders/handlers/nvenc_hevc_handler.cpp
+++ b/source/encoders/handlers/nvenc_hevc_handler.cpp
@@ -59,9 +59,11 @@ static std::map<level, std::string> levels{
 	{level::L6_0, "6.0"}, {level::L6_1, "6.1"}, {level::L6_2, "6.2"},
 };
 
-void nvenc_hevc_handler::adjust_info(ffmpeg_factory*, const AVCodec*, std::string&, std::string& name, std::string&)
+void nvenc_hevc_handler::adjust_info(ffmpeg_factory* fac, const AVCodec*, std::string&, std::string& name, std::string&)
 {
 	name = "NVIDIA NVENC H.265/HEVC (via FFmpeg)";
+	if (!nvenc::is_available())
+		fac->get_info()->caps |= OBS_ENCODER_CAP_DEPRECATED;
 }
 
 void nvenc_hevc_handler::get_defaults(obs_data_t* settings, const AVCodec* codec, AVCodecContext* context, bool)
diff --git a/source/encoders/handlers/nvenc_shared.cpp b/source/encoders/handlers/nvenc_shared.cpp
index ae9e24c5..493c603b 100644
--- a/source/encoders/handlers/nvenc_shared.cpp
+++ b/source/encoders/handlers/nvenc_shared.cpp
@@ -20,15 +20,10 @@
 // SOFTWARE.
 
 #include "nvenc_shared.hpp"
-#include "strings.hpp"
-#include <algorithm>
-#include "../codecs/hevc.hpp"
-#include "../encoder-ffmpeg.hpp"
+#include "encoders/encoder-ffmpeg.hpp"
 #include "ffmpeg/tools.hpp"
-#include "plugin.hpp"
 
 extern "C" {
-#include <obs-module.h>
 #pragma warning(push)
 #pragma warning(disable : 4244)
 #include <libavutil/opt.h>
@@ -155,6 +150,25 @@ std::map<nvenc::b_ref_mode, std::string> nvenc::b_ref_mode_to_opt{
 	{nvenc::b_ref_mode::MIDDLE, "middle"},
 };
 
+bool streamfx::encoder::ffmpeg::handler::nvenc::is_available()
+{
+#if defined(D_PLATFORM_WINDOWS)
+#if defined(D_PLATFORM_64BIT)
+	std::filesystem::path lib_name = "nvEncodeAPI64.dll";
+#else
+	std::filesystem::path lib_name = "nvEncodeAPI.dll";
+#endif
+#else
+	std::filesystem::path lib_name = "libnvidia-encode.so.1";
+#endif
+	try {
+		util::library::load(lib_name);
+		return true;
+	} catch (...) {
+		return false;
+	}
+}
+
 void nvenc::override_update(ffmpeg_instance* instance, obs_data_t*)
 {
 	AVCodecContext* context = const_cast<AVCodecContext*>(instance->get_avcodeccontext());
diff --git a/source/encoders/handlers/nvenc_shared.hpp b/source/encoders/handlers/nvenc_shared.hpp
index c38a472b..cea4d385 100644
--- a/source/encoders/handlers/nvenc_shared.hpp
+++ b/source/encoders/handlers/nvenc_shared.hpp
@@ -20,7 +20,7 @@
 // SOFTWARE.
 
 #pragma once
-#include <map>
+#include "common.hpp"
 #include "handler.hpp"
 
 extern "C" {
@@ -90,6 +90,8 @@ namespace streamfx::encoder::ffmpeg::handler::nvenc {
 
 	extern std::map<b_ref_mode, std::string> b_ref_mode_to_opt;
 
+	bool is_available();
+
 	void override_update(ffmpeg_instance* instance, obs_data_t* settings);
 
 	void get_defaults(obs_data_t* settings, const AVCodec* codec, AVCodecContext* context);