diff --git a/libctf/ChangeLog b/libctf/ChangeLog
index d07d5dc2e5..1770f9922d 100644
--- a/libctf/ChangeLog
+++ b/libctf/ChangeLog
@@ -1,3 +1,7 @@
+2019-06-28  Nick Alcock <nick.alcock@oracle.com>
+
+	* ctf-create.c (ctf_create): Fix off-by-one error.
+
 2019-06-28  Nick Alcock <nick.alcock@oracle.com>
 
 	* ctf-impl.h: (struct ctf_strs_writable): New, non-const version of
diff --git a/libctf/ctf-create.c b/libctf/ctf-create.c
index 6ab0cf3b88..24ea114f29 100644
--- a/libctf/ctf-create.c
+++ b/libctf/ctf-create.c
@@ -82,7 +82,7 @@ ctf_create (int *errp)
   fp->ctf_dvhash = dvhash;
   fp->ctf_dtnextid = 1;
   fp->ctf_dtoldid = 0;
-  fp->ctf_snapshots = 0;
+  fp->ctf_snapshots = 1;
   fp->ctf_snapshot_lu = 0;
 
   return fp;