diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 3c70ccd..007e56a 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -477,8 +477,8 @@
 		// escape LIKE condition wildcards
 		if ($like === TRUE)
 		{
-			return str_replace(array('%', '_', $this->_like_escape_chr),
-						array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
+			return str_replace(array($this->_like_escape_chr.$this->_like_escape_chr, '%', '_'),
+						array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
 						$str);
 		}