typo

diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index 7905ad4b820f9788dc9d69bfb61276b006a92850..3c869d243c768c5a788017295caf9a47a8a4169a 100644 (file)
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -375,7 +375,7 @@ struct _zend_mm_heap {
 # define ZEND_MM_ALIGNMENT_LOG2 3
 #elif ZEND_MM_ALIGNMENT < 4
 # undef ZEND_MM_ALIGNMENT
-# undef ZEND_MM_ALIGNMENT
+# undef ZEND_MM_ALIGNMENT_LOG2
 # define ZEND_MM_ALIGNMENT 4
 # define ZEND_MM_ALIGNMENT_LOG2 2
 #endif