diff --git a/MoltenVK/MoltenVK/Layers/MVKExtensions.cpp b/MoltenVK/MoltenVK/Layers/MVKExtensions.cpp
index f1454c6b..5a714b87 100644
--- a/MoltenVK/MoltenVK/Layers/MVKExtensions.cpp
+++ b/MoltenVK/MoltenVK/Layers/MVKExtensions.cpp
@@ -107,6 +107,7 @@ static bool mvkIsSupportedOnPlatform(VkExtensionProperties* pProperties) {
 	if (pProperties == &kVkExtProps_IMG_FORMAT_PVRTC) { return false; }
 #endif
 #if !(MVK_MACOS)
+	if (pProperties == &kVkExtProps_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE) { return false; }
 	if (pProperties == &kVkExtProps_MVK_MACOS_SURFACE) { return false; }
 #endif
 
diff --git a/MoltenVK/MoltenVK/Layers/MVKExtensions.def b/MoltenVK/MoltenVK/Layers/MVKExtensions.def
index 535fd63b..0cde5dbc 100644
--- a/MoltenVK/MoltenVK/Layers/MVKExtensions.def
+++ b/MoltenVK/MoltenVK/Layers/MVKExtensions.def
@@ -38,6 +38,7 @@ MVK_EXTENSION(KHR_image_format_list, KHR_IMAGE_FORMAT_LIST)
 MVK_EXTENSION(KHR_maintenance1, KHR_MAINTENANCE1)
 MVK_EXTENSION(KHR_maintenance2, KHR_MAINTENANCE2)
 MVK_EXTENSION(KHR_push_descriptor, KHR_PUSH_DESCRIPTOR)
+MVK_EXTENSION(KHR_sampler_mirror_clamp_to_edge, KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE)
 MVK_EXTENSION(KHR_shader_draw_parameters, KHR_SHADER_DRAW_PARAMETERS)
 MVK_EXTENSION(KHR_surface, KHR_SURFACE)
 MVK_EXTENSION(KHR_swapchain, KHR_SWAPCHAIN)