diff --git a/src/libostree/ostree-sysroot.c b/src/libostree/ostree-sysroot.c
index ac2c13d7cb..71cf634668 100644
--- a/src/libostree/ostree-sysroot.c
+++ b/src/libostree/ostree-sysroot.c
@@ -1745,10 +1745,8 @@ ostree_sysroot_simple_write_deployment (OstreeSysroot      *sysroot,
 
   /* tracks current versioned deployment */
   OstreeRepo *repo = ostree_sysroot_repo (sysroot);
-  OstreeDeployment *versioned = booted_deployment ? booted_deployment : merge_deployment;
-  const gchar *last_version = NULL;
-  if (versioned)
-    last_version = _ostree_deployment_get_version (versioned, repo, error);
+  const gchar *last_version =
+    _ostree_deployment_get_version (new_deployment, repo, error);
 
   /* tracks when we come across the booted deployment */
   gboolean before_booted = TRUE;