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-rw-r--r--include/vulkan.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/vulkan.h b/include/vulkan.h
index a38b848d..b11c0a3f 100644
--- a/include/vulkan.h
+++ b/include/vulkan.h
@@ -44,7 +44,7 @@ extern "C" {
#define VK_API_VERSION VK_MAKE_VERSION(0, 175, 0)
-#if defined(__cplusplus) && (_MSC_VER >= 1800 || __cplusplus >= 201103L)
+#if defined(__cplusplus) && ((defined(_MSC_VER) && _MSC_VER >= 1800) || __cplusplus >= 201103L)
#define VK_NULL_HANDLE nullptr
#else
#define VK_NULL_HANDLE 0