diff --git a/src/dawn_native/vulkan/AdapterVk.cpp b/src/dawn_native/vulkan/AdapterVk.cpp
index 94841e091b..532def483f 100644
--- a/src/dawn_native/vulkan/AdapterVk.cpp
+++ b/src/dawn_native/vulkan/AdapterVk.cpp
@@ -87,6 +87,7 @@ namespace dawn_native { namespace vulkan {
         if (mDeviceInfo.HasExt(DeviceExt::ShaderFloat16Int8) &&
             mDeviceInfo.shaderFloat16Int8Features.shaderFloat16 == VK_TRUE &&
             mDeviceInfo.HasExt(DeviceExt::_16BitStorage) &&
+            mDeviceInfo._16BitStorageFeatures.storageBuffer16BitAccess == VK_TRUE &&
             mDeviceInfo._16BitStorageFeatures.uniformAndStorageBuffer16BitAccess == VK_TRUE) {
             mSupportedExtensions.EnableExtension(Extension::ShaderFloat16);
         }
diff --git a/src/dawn_native/vulkan/DeviceVk.cpp b/src/dawn_native/vulkan/DeviceVk.cpp
index 8b79d3e84f..6985c7fd33 100644
--- a/src/dawn_native/vulkan/DeviceVk.cpp
+++ b/src/dawn_native/vulkan/DeviceVk.cpp
@@ -341,9 +341,11 @@ namespace dawn_native { namespace vulkan {
             ASSERT(deviceInfo.HasExt(DeviceExt::ShaderFloat16Int8) &&
                    deviceInfo.shaderFloat16Int8Features.shaderFloat16 == VK_TRUE &&
                    deviceInfo.HasExt(DeviceExt::_16BitStorage) &&
+                   deviceInfo._16BitStorageFeatures.storageBuffer16BitAccess == VK_TRUE &&
                    deviceInfo._16BitStorageFeatures.uniformAndStorageBuffer16BitAccess == VK_TRUE);
 
             usedKnobs.shaderFloat16Int8Features.shaderFloat16 = VK_TRUE;
+            usedKnobs._16BitStorageFeatures.storageBuffer16BitAccess = VK_TRUE;
             usedKnobs._16BitStorageFeatures.uniformAndStorageBuffer16BitAccess = VK_TRUE;
 
             featuresChain.Add(&usedKnobs.shaderFloat16Int8Features,