diff --git a/Include/pyatomic.h b/Include/pyatomic.h
index 80bd825bd75..aa55281a647 100644
--- a/Include/pyatomic.h
+++ b/Include/pyatomic.h
@@ -6,14 +6,14 @@
 
 #include "pyconfig.h"
 
-#if defined(HAVE_STD_ATOMIC)
-#include <stdatomic.h>
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#if defined(HAVE_STD_ATOMIC)
+#include <stdatomic.h>
+#endif
+
 /* This is modeled after the atomics interface from C1x, according to
  * the draft at
  * http://www.open-std.org/JTC1/SC22/wg14/www/docs/n1425.pdf.