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-rw-r--r--Python/pymath.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Python/pymath.c b/Python/pymath.c
index c1606bd6d1..24b804223e 100644
--- a/Python/pymath.c
+++ b/Python/pymath.c
@@ -17,7 +17,7 @@ double _Py_force_double(double x)
/* inline assembly for getting and setting the 387 FPU control word on
gcc/x86 */
-#ifdef MEMORY_SANITIZER
+#ifdef _Py_MEMORY_SANITIZER
__attribute__((no_sanitize_memory))
#endif
unsigned short _Py_get_387controlword(void) {