diff --git a/xml/errors.xml b/xml/errors.xml
index 20f6b9d2c..498a234de 100644
--- a/xml/errors.xml
+++ b/xml/errors.xml
@@ -50,7 +50,7 @@
     <dbms value="IBM DB2">
         <error regexp="CLI Driver.*DB2"/>
         <error regexp="DB2 SQL error"/>
-        <error regexp="db2_\w+\("/>
+        <error regexp="\bdb2_\w+\("/>
     </dbms>
 
     <!-- Informix -->