diff --git a/README.md b/README.md
index b79a412..d9e91c9 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,7 @@ GPU Screen Recorder uses meson build system so you need to install `meson` to bu
 These are the dependencies needed to build GPU Screen Recorder:
 
 * libglvnd (which provides libgl, libglx and libegl)
+* vulkan-headers
 * ffmpeg (libavcodec, libavformat, libavutil, libswresample, libavfilter)
 * x11 (libx11, libxcomposite, libxrandr, libxfixes, libxdamage)
 * libpulse
diff --git a/src/encoder/video/vulkan.c b/src/encoder/video/vulkan.c
index 15536d0..712952f 100644
--- a/src/encoder/video/vulkan.c
+++ b/src/encoder/video/vulkan.c
@@ -3,6 +3,7 @@
 #include "../../../include/egl.h"
 
 #include <libavcodec/avcodec.h>
+#define VK_NO_PROTOTYPES
 #include <libavutil/hwcontext_vulkan.h>
 
 //#include <vulkan/vulkan_core.h>