diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12876bf..2134222 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,15 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ### v3.9.x - [Unreleased]
 
+#### Changed
+
+- WordPress default permalinks structure from `/%year%/%monthnum%/%day%/%postname%/` -> `/%postname%/`
+
+#### Fixed
+
+- Error with `wo stack upgrade --nginx`
+- Install/update script version check
+
 ### v3.9.8.6 - 2019-08-30
 
 #### Added
diff --git a/install b/install
index c46eb42..438411d 100755
--- a/install
+++ b/install
@@ -811,11 +811,11 @@ if [ "$wo_purge" = "y" ]; then
 else
     # 1 - WO already installed
     if [ -x /usr/local/bin/wo ]; then
-        if {
-            wo -v 2>&1 | grep -q "$wo_version_new"
-        } && [ -z "$wo_force_install" ]; then
-            wo_lib_error "You already have WordOps $wo_version_new"
-            exit 1
+        if [ -z "$wo_force_install" ]; then
+            if { wo -v 2>&1 | grep -q "$wo_version_new"; }; then
+                wo_lib_error "You already have WordOps $wo_version_new"
+                exit 1
+            fi
         fi
         wo_lib_echo "Installing wo dependencies " | tee -ai $wo_install_log
         wo_install_dep | tee -ai $wo_install_log
diff --git a/wo/cli/plugins/site_functions.py b/wo/cli/plugins/site_functions.py
index 1ecec76..201d37e 100644
--- a/wo/cli/plugins/site_functions.py
+++ b/wo/cli/plugins/site_functions.py
@@ -519,7 +519,7 @@ def setupwordpress(self, data, vhostonly=False):
         WOShellExec.cmd_exec(self, " {0} --allow-root "
                              .format(WOVariables.wo_wpcli_path) +
                              "rewrite structure "
-                             "/%year%/%monthnum%/%day%/%postname%/")
+                             "/%postname%/")
     except CommandExecutionError as e:
         Log.debug(self, str(e))
         raise SiteError("Update wordpress permalinks failed")