diff --git a/quick-cache-pro/includes/version-specific-upgrade.php b/quick-cache-pro/includes/version-specific-upgrade.php
index aeea13ea..32ea841c 100644
--- a/quick-cache-pro/includes/version-specific-upgrade.php
+++ b/quick-cache-pro/includes/version-specific-upgrade.php
@@ -47,6 +47,7 @@ public function run_handlers()
 				$this->from_lt_v140104();
 				$this->from_lt_v140605();
 				$this->from_lt_v140612();
+				$this->from_lt_v140923();
 			}
 
 			/*
@@ -131,6 +132,20 @@ public function from_lt_v140612()
 					}
 				}
 			}
+
+			/*
+			 * Upgrading from a version before we removed the WordPress version number from the Auto-Cache Engine User-Agent string.
+			*/
+			public function from_lt_v140923()
+			{
+				if(version_compare($this->prev_version, '140923', '<'))
+				{
+					$this->plugin->options['auto_cache_user_agent'] = $this->plugin->default_options['auto_cache_user_agent'];
+
+					update_option(__NAMESPACE__.'_options', $this->plugin->options);
+					if(is_multisite()) update_site_option(__NAMESPACE__.'_options', $this->plugin->options);
+				}
+			}
 		}
 	}
 }
\ No newline at end of file
diff --git a/quick-cache-pro/quick-cache-pro.inc.php b/quick-cache-pro/quick-cache-pro.inc.php
index 5ad72fc9..69adeb1b 100644
--- a/quick-cache-pro/quick-cache-pro.inc.php
+++ b/quick-cache-pro/quick-cache-pro.inc.php
@@ -230,7 +230,7 @@ public function setup()
 					'auto_cache_delay'                     => '500', // In milliseconds.
 					'auto_cache_sitemap_url'               => 'sitemap.xml', // Relative to `site_url()`.
 					'auto_cache_other_urls'                => '', // A line-delimited list of any other URLs.
-					'auto_cache_user_agent'                => 'WordPress/'.get_bloginfo('version'),
+					'auto_cache_user_agent'                => 'WordPress',
 
 					'update_sync_username'                 => '', 'update_sync_password' => '',
 					'update_sync_version_check'            => '1', 'last_update_sync_version_check' => '0'