diff --git a/crypto/internal.h b/crypto/internal.h
index 9edfd0e..4b7d82c 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -165,6 +165,10 @@
 #define OPENSSL_C11_ATOMIC
 #endif
 
+#if defined(OPENSSL_C11_ATOMIC)
+#include <stdatomic.h>
+#endif
+
 // Older MSVC does not support C11 atomics, so we fallback to the Windows APIs.
 // When both are available (e.g. clang-cl), we prefer the C11 ones. The Windows
 // APIs don't allow some operations to be implemented as efficiently. This can
@@ -176,10 +180,6 @@
 #endif
 #endif  // !__cplusplus
 
-#if defined(OPENSSL_C11_ATOMIC)
-#include <stdatomic.h>
-#endif
-
 #if defined(OPENSSL_WINDOWS_THREADS) || defined(OPENSSL_WINDOWS_ATOMIC)
 OPENSSL_MSVC_PRAGMA(warning(push, 3))
 #include <windows.h>