Index: branches/RC/core/install/install_toolkit.php
===================================================================
diff -u -r10886 -r11121
--- branches/RC/core/install/install_toolkit.php	(.../install_toolkit.php)	(revision 10886)
+++ branches/RC/core/install/install_toolkit.php	(.../install_toolkit.php)	(revision 11121)
@@ -271,11 +271,13 @@
 
 			// add prefix to all tables
 			if (strlen($table_prefix) > 0) {
-				$replacements = Array ('CREATE TABLE ', 'INSERT INTO ', 'UPDATE ', 'ALTER TABLE ', 'DELETE FROM ', 'REPLACE INTO ');
+				$replacements = Array ('INSERT INTO ', 'UPDATE ', 'ALTER TABLE ', 'DELETE FROM ', 'REPLACE INTO ');
 				foreach ($replacements as $replacement) {
 					$sqls = str_replace($replacement, $replacement.$table_prefix, $sqls);
 				}
-				$sqls = str_replace('DROP TABLE ', 'DROP TABLE IF EXISTS '.$table_prefix, $sqls);
+
+				$sqls = str_replace('CREATE TABLE ', 'CREATE TABLE IF NOT EXISTS ' . $table_prefix, $sqls);
+				$sqls = str_replace('DROP TABLE ', 'DROP TABLE IF EXISTS ' . $table_prefix, $sqls);
 			}
 
 			if (isset($replace_from) && isset($replace_to)) {