diff --git a/gpu/gpu_info_vulkan.c b/gpu/gpu_info_vulkan.c
index fbe7a5885..17ee43003 100644
--- a/gpu/gpu_info_vulkan.c
+++ b/gpu/gpu_info_vulkan.c
@@ -5,7 +5,7 @@
 int check_perfmon(vk_handle_t* rh) {
 #ifdef __linux__
   cap_t caps;
-  const cap_value_t cap_list[2] = {CAP_PERFMON};
+  const cap_value_t cap_list[1] = {CAP_PERFMON};
 
   if ((*rh->cap_get_bound)(CAP_SETFCAP) < 0)
     return -1;
@@ -14,7 +14,7 @@ int check_perfmon(vk_handle_t* rh) {
   if (caps == NULL)
     return -1;
 
-  if ((*rh->cap_set_flag)(caps, CAP_EFFECTIVE, 2, cap_list, CAP_SET) == -1)
+  if ((*rh->cap_set_flag)(caps, CAP_EFFECTIVE, 1, cap_list, CAP_SET) == -1)
     return -1;
 
   if ((*rh->cap_set_proc)(caps) == -1)
@@ -221,4 +221,4 @@ void vk_check_vram(vk_handle_t rh, int i, mem_info_t *resp) {
 
 void vk_release(vk_handle_t rh) {
   (*rh.vkDestroyInstance)(rh.vk, NULL);
-}
\ No newline at end of file
+}