1 files changed, 1 insertions, 1 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 423c1f167db..82be8a903b4 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -2140,7 +2140,7 @@ compact_small_strings (void)
               /* Copy, and update the string's `data' pointer.  */
               if (from != to)
                 {
-                  xassert (tb != b || to <= from);
+                  xassert (tb != b || to < from);
                   memmove (to, from, nbytes + GC_STRING_EXTRA);
                   to->string->data = SDATA_DATA (to);
                 }