1 files changed, 6 insertions, 1 deletions
diff --git a/vulkan/libvulkan/api.cpp b/vulkan/libvulkan/api.cpp
index 368130d13b..4608be2907 100644
--- a/vulkan/libvulkan/api.cpp
+++ b/vulkan/libvulkan/api.cpp
@@ -1172,11 +1172,16 @@ bool EnsureInitialized() {
 
     std::call_once(once_flag, []() {
         if (driver::OpenHAL()) {
-            DiscoverLayers();
             initialized = true;
         }
     });
 
+    {
+        static std::mutex layer_lock;
+        std::lock_guard<std::mutex> lock(layer_lock);
+        DiscoverLayers();
+    }
+
     return initialized;
 }