Index: src/alias.c
--- src/alias.c.orig
+++ src/alias.c
@@ -158,7 +158,7 @@ logical do_aliasr(char *name,  char *dirsuffix, unsign
   if (dirsufflength > 0 && dirsufflength < (unsigned int)(e2 - name) &&
       *(e2 - dirsufflength - 1) == '/' &&
       STREQ(e2 - dirsufflength, dirsuffix)) {
-    memcpy((void *)(e2 - dirsufflength), (void *)e2, (size_t)(e1 - e2) + 1);
+    memmove((void *)(e2 - dirsufflength), (void *)e2, (size_t)(e1 - e2) + 1);
     if (e2 != e1)
       e2 -= dirsufflength;
   }