1 files changed, 1 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 3322352224..bf5124e66d 100644
--- a/gc.c
+++ b/gc.c
@@ -95,6 +95,7 @@ xrealloc(ptr, size)
 	ArgError("negative re-allocation size");
     }
     if (!ptr) return xmalloc(size);
+    if (size == 0) size = 1;
     malloc_memories += size;
     mem = realloc(ptr, size);
     if (!mem) {