diff --git a/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java b/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
index 0ab1419356..878f35a266 100644
--- a/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
@@ -156,7 +156,7 @@ final class MetaImpl extends AbstractMeta {
 
 
 
-    private static final Pattern         P_SYSINDEX_DERBY                 = Pattern.compile("^(?i:SQL\\d{14,}).*$");
+    private static final Pattern         P_SYSINDEX_DERBY                 = Pattern.compile("^(?i:SQL\\d{10,}).*$");
     private static final Pattern         P_SYSINDEX_H2                    = Pattern.compile("^(?i:PRIMARY_KEY_|UK_INDEX_|FK_INDEX_).*$");
     private static final Pattern         P_SYSINDEX_HSQLDB                = Pattern.compile("^(?i:SYS_IDX_).*$");
     private static final Pattern         P_SYSINDEX_SQLITE                = Pattern.compile("^(?i:sqlite_autoindex_).*$");