diff --git a/fb/fbcopy.c b/fb/fbcopy.c
index 8f5b64b38..92cb8091c 100644
--- a/fb/fbcopy.c
+++ b/fb/fbcopy.c
@@ -192,7 +192,7 @@ fbCopyNto1(DrawablePtr pSrcDrawable,
             height = pbox->y2 - pbox->y1;
 
             tmpStride = ((width + FB_STIP_MASK) >> FB_STIP_SHIFT);
-            tmp = xallocarray(tmpStride * height, sizeof(FbStip));
+            tmp = calloc(tmpStride * height, sizeof(FbStip));
             if (!tmp)
                 return;
 
diff --git a/fb/fbpict.c b/fb/fbpict.c
index 9980f973f..7c98b3fb2 100644
--- a/fb/fbpict.c
+++ b/fb/fbpict.c
@@ -123,7 +123,7 @@ fbGlyphs(CARD8 op,
     pixman_glyph_cache_freeze (glyphCache);
 
     if (n_glyphs > N_STACK_GLYPHS) {
-	if (!(pglyphs = xallocarray(n_glyphs, sizeof(pixman_glyph_t))))
+	if (!(pglyphs = calloc(n_glyphs, sizeof(pixman_glyph_t))))
 	    goto out;
     }