1 files changed, 1 insertions, 1 deletions

diff --git a/src/alloc.c b/src/alloc.c
index b329f89d15b..3306bc4107b 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1872,7 +1872,7 @@ check_string_bytes (int all_p)
       for (b = oldest_sblock; b; b = b->next)
         check_sblock (b);
     }
-  else
+  else if (current_sblock)
     check_sblock (current_sblock);
 }