diff --git a/xfixes/region.c b/xfixes/region.c
index 17c1bd4b7..21fce55cd 100644
--- a/xfixes/region.c
+++ b/xfixes/region.c
@@ -746,7 +746,7 @@ ProcXFixesExpandRegion(ClientPtr client)
     nBoxes = RegionNumRects(pSource);
     pSrc = RegionRects(pSource);
     if (nBoxes) {
-        pTmp = xallocarray(nBoxes, sizeof(BoxRec));
+        pTmp = calloc(nBoxes, sizeof(BoxRec));
         if (!pTmp)
             return BadAlloc;
         for (i = 0; i < nBoxes; i++) {