diff --git a/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java b/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
index 7702e31268..5e11ac3019 100644
--- a/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
@@ -135,10 +135,10 @@ final class MetaImpl extends AbstractMeta {
 
 
 
-    private static final Pattern         P_SYSINDEX_DERBY                 = Pattern.compile("^(?:SQL\\d{14,}).*$");
-    private static final Pattern         P_SYSINDEX_H2                    = Pattern.compile("^(?:PRIMARY_KEY_|UK_INDEX_|FK_INDEX_).*$");
-    private static final Pattern         P_SYSINDEX_HSQLDB                = Pattern.compile("^(?:SYS_IDX_(?:PK|UK|FK)_).*$");
-    private static final Pattern         P_SYSINDEX_SQLITE                = Pattern.compile("^(?:sqlite_autoindex_).*$");
+    private static final Pattern         P_SYSINDEX_DERBY                 = Pattern.compile("^(?i:SQL\\d{14,}).*$");
+    private static final Pattern         P_SYSINDEX_H2                    = Pattern.compile("^(?i:PRIMARY_KEY_|UK_INDEX_|FK_INDEX_).*$");
+    private static final Pattern         P_SYSINDEX_HSQLDB                = Pattern.compile("^(?i:SYS_IDX_(?:PK|UK|FK)_).*$");
+    private static final Pattern         P_SYSINDEX_SQLITE                = Pattern.compile("^(?i:sqlite_autoindex_).*$");
 
     private final DatabaseMetaData       databaseMetaData;
     private final boolean                inverseSchemaCatalog;