diff --git a/src/allocator.c b/src/allocator.c
index 66f03c2e0..caf4be22e 100644
--- a/src/allocator.c
+++ b/src/allocator.c
@@ -562,7 +562,7 @@ _dispatch_alloc_maybe_madvise_page(dispatch_continuation_t c)
 #endif
 		// madvise the page
 		(void)dispatch_assume_zero(madvise(page, DISPATCH_ALLOCATOR_PAGE_SIZE,
-										   MADV_FREE));
+									MADV_FREE));
 	}
 
 	while (i > 1) {