diff --git a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java
index 6c3c2d9c35..abfd3ab87c 100644
--- a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java
+++ b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java
@@ -330,6 +330,8 @@ public void initializeFunctionRegistry(FunctionContributions functionContributio
 		functionFactory.monthsBetween();
 		functionFactory.stddev();
 		functionFactory.variance();
+		functionFactory.bitLength_pattern( "length(?1)*8" );
+		
 		if ( getVersion().isSameOrAfter( 12 ) ) {
 			functionFactory.locate_charindex();
 		}