diff --git a/db/cats_schema.sql b/db/cats_schema.sql
index 5484f266f..fce7c1424 100755
--- a/db/cats_schema.sql
+++ b/db/cats_schema.sql
@@ -850,7 +850,7 @@ insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (9,'ext
 insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (10,'graphs',0);
 insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (11,'home',0);
 insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (12,'import',0);
-insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (13,'install',370);
+insert  into `module_schema`(`module_schema_id`,`name`) values (13,'install');
 insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (14,'joborders',0);
 insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (15,'lists',0);
 insert  into `module_schema`(`module_schema_id`,`name`,`version`) values (16,'login',0);
diff --git a/lib/ModuleUtility.php b/lib/ModuleUtility.php
index c93179444..ed5bb9559 100755
--- a/lib/ModuleUtility.php
+++ b/lib/ModuleUtility.php
@@ -500,6 +500,26 @@ private static function processModuleSchema($moduleName, $schema)
             $newestVersion = 0;
         }
 
+        if ($moduleName === 'install' && ($currentVersion === NULL || $currentVersion === ''))
+        {
+            /* A NULL version indicates a schema snapshot install (cats_schema.sql).
+             * Mark the install module as up-to-date to avoid re-running migrations.
+             */
+            $sql = sprintf(
+                "UPDATE
+                    module_schema
+                SET
+                    version = %s
+                WHERE
+                    name = %s",
+                (int) $newestVersion,
+                $db->makeQueryString($moduleName)
+            );
+            $db->query($sql);
+
+            return;
+        }
+
         /* Do we have any updates to process? */
         if ($newestVersion <= $currentVersion)
         {