diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 42cfaae..d4adfd5 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -404,6 +404,7 @@
 		}
 
 		$str = remove_invisible_characters($str);
+		$str = str_replace("'", "''", $str);
 
 		// escape LIKE condition wildcards
 		if ($like === TRUE)