diff --git a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SQLServerLegacyDialect.java b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SQLServerLegacyDialect.java
index f8541dc97d..11c9f7d76b 100644
--- a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SQLServerLegacyDialect.java
+++ b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SQLServerLegacyDialect.java
@@ -127,7 +127,13 @@ public class SQLServerLegacyDialect extends AbstractTransactSQLDialect {
 				case BLOB:
 				case CLOB:
 				case NCLOB:
-					return Size.length( getDefaultLobLength() );
+					return super.resolveSize(
+							jdbcType,
+							javaType,
+							precision,
+							scale,
+							length == null ? getDefaultLobLength() : length
+					);
 				default:
 					return super.resolveSize( jdbcType, javaType, precision, scale, length );
 			}
diff --git a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SybaseLegacyDialect.java b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SybaseLegacyDialect.java
index ba3469b2d0..1ee36ad947 100644
--- a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SybaseLegacyDialect.java
+++ b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SybaseLegacyDialect.java
@@ -104,7 +104,13 @@ public class SybaseLegacyDialect extends AbstractTransactSQLDialect {
 				case Types.NCLOB:
 				case Types.CLOB:
 				case Types.BLOB:
-					return Size.length( getDefaultLobLength() );
+					return super.resolveSize(
+							jdbcType,
+							javaType,
+							precision,
+							scale,
+							length == null ? getDefaultLobLength() : length
+					);
 				case Types.FLOAT:
 					// Sybase ASE allows FLOAT with a precision up to 48
 					if ( precision != null ) {
diff --git a/hibernate-core/src/main/java/org/hibernate/dialect/SQLServerDialect.java b/hibernate-core/src/main/java/org/hibernate/dialect/SQLServerDialect.java
index a2682c018f..9d196945a1 100644
--- a/hibernate-core/src/main/java/org/hibernate/dialect/SQLServerDialect.java
+++ b/hibernate-core/src/main/java/org/hibernate/dialect/SQLServerDialect.java
@@ -148,7 +148,13 @@ public class SQLServerDialect extends AbstractTransactSQLDialect {
 				case BLOB:
 				case CLOB:
 				case NCLOB:
-					return Size.length( getDefaultLobLength() );
+					return super.resolveSize(
+							jdbcType,
+							javaType,
+							precision,
+							scale,
+							length == null ? getDefaultLobLength() : length
+					);
 				default:
 					return super.resolveSize( jdbcType, javaType, precision, scale, length );
 			}
diff --git a/hibernate-core/src/main/java/org/hibernate/dialect/SybaseASEDialect.java b/hibernate-core/src/main/java/org/hibernate/dialect/SybaseASEDialect.java
index 001c0499b3..d71047ec29 100644
--- a/hibernate-core/src/main/java/org/hibernate/dialect/SybaseASEDialect.java
+++ b/hibernate-core/src/main/java/org/hibernate/dialect/SybaseASEDialect.java
@@ -73,7 +73,13 @@ public class SybaseASEDialect extends SybaseDialect {
 				case Types.NCLOB:
 				case Types.CLOB:
 				case Types.BLOB:
-					return Size.length( getDefaultLobLength() );
+					return super.resolveSize(
+							jdbcType,
+							javaType,
+							precision,
+							scale,
+							length == null ? getDefaultLobLength() : length
+					);
 				case Types.FLOAT:
 					// Sybase ASE allows FLOAT with a precision up to 48
 					if ( precision != null ) {