diff --git a/include/private/vkd3d_common.h b/include/private/vkd3d_common.h
index 797f7622..1a217044 100644
--- a/include/private/vkd3d_common.h
+++ b/include/private/vkd3d_common.h
@@ -46,6 +46,12 @@
 
 #define STATIC_ASSERT(e) extern void __VKD3D_STATIC_ASSERT__(int [(e) ? 1 : -1])
 
+#define VKD3D_ASSERT(cond) \
+        do { \
+            if (!(cond)) \
+                ERR("Failed assertion: %s\n", #cond); \
+        } while (0)
+
 #define MEMBER_SIZE(t, m) sizeof(((t *)0)->m)
 
 #define VKD3D_MAKE_TAG(ch0, ch1, ch2, ch3) \
diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index 5fe381af..62e15a9f 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -341,7 +341,7 @@ static unsigned int vkd3d_check_extensions(const VkExtensionProperties *extensio
         ++extension_count;
     }
 
-    assert(!optional_user_extension_count || user_extension_supported);
+    VKD3D_ASSERT(!optional_user_extension_count || user_extension_supported);
     for (i = 0; i < optional_user_extension_count; ++i)
     {
         if (has_extension(extensions, count, optional_user_extensions[i]))
@@ -403,7 +403,7 @@ static unsigned int vkd3d_enable_extensions(const char *extensions[],
     {
         extension_count = vkd3d_append_extension(extensions, extension_count, user_extensions[i]);
     }
-    assert(!optional_user_extension_count || user_extension_supported);
+    VKD3D_ASSERT(!optional_user_extension_count || user_extension_supported);
     for (i = 0; i < optional_user_extension_count; ++i)
     {
         if (!user_extension_supported[i])
@@ -1507,7 +1507,7 @@ static bool d3d12_device_supports_typed_uav_load_additional_formats(const struct
     for (i = 0; i < ARRAY_SIZE(additional_formats); ++i)
     {
         format = vkd3d_get_format(device, additional_formats[i], false);
-        assert(format);
+        VKD3D_ASSERT(format);
 
         VK_CALL(vkGetPhysicalDeviceFormatProperties(device->vk_physical_device, format->vk_format, &properties));
         if (!((properties.linearTilingFeatures | properties.optimalTilingFeatures) & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT))
@@ -2547,7 +2547,7 @@ static void device_init_descriptor_pool_sizes(struct d3d12_device *device)
         return;
     }
 
-    assert(ARRAY_SIZE(device->vk_pool_sizes) >= 6);
+    VKD3D_ASSERT(ARRAY_SIZE(device->vk_pool_sizes) >= 6);
     pool_sizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
     pool_sizes[0].descriptorCount = min(limits->uniform_buffer_max_descriptors,
             VKD3D_MAX_VIRTUAL_HEAP_DESCRIPTORS_PER_TYPE);
@@ -5254,7 +5254,7 @@ struct d3d12_device *unsafe_impl_from_ID3D12Device9(ID3D12Device9 *iface)
 {
     if (!iface)
         return NULL;
-    assert(iface->lpVtbl == &d3d12_device_vtbl);
+    VKD3D_ASSERT(iface->lpVtbl == &d3d12_device_vtbl);
     return impl_from_ID3D12Device9(iface);
 }
 
diff --git a/libs/vkd3d/vkd3d_main.c b/libs/vkd3d/vkd3d_main.c
index c7431bd8..ceaae169 100644
--- a/libs/vkd3d/vkd3d_main.c
+++ b/libs/vkd3d/vkd3d_main.c
@@ -153,7 +153,7 @@ static const D3D12_ROOT_SIGNATURE_DESC * STDMETHODCALLTYPE d3d12_root_signature_
 
     TRACE("iface %p.\n", iface);
 
-    assert(deserializer->desc.d3d12.Version == D3D_ROOT_SIGNATURE_VERSION_1_0);
+    VKD3D_ASSERT(deserializer->desc.d3d12.Version == D3D_ROOT_SIGNATURE_VERSION_1_0);
     return &deserializer->desc.d3d12.u.Desc_1_0;
 }
 
@@ -354,7 +354,7 @@ static HRESULT STDMETHODCALLTYPE d3d12_versioned_root_signature_deserializer_Get
         }
     }
 
-    assert(deserializer->other_desc.d3d12.Version == version);
+    VKD3D_ASSERT(deserializer->other_desc.d3d12.Version == version);
     *desc = &deserializer->other_desc.d3d12;
     return S_OK;
 }