diff --git a/hibernate-core/src/main/java/org/hibernate/query/sqm/sql/BaseSqmToSqlAstConverter.java b/hibernate-core/src/main/java/org/hibernate/query/sqm/sql/BaseSqmToSqlAstConverter.java
index 7688634e99..d97aa91b6e 100644
--- a/hibernate-core/src/main/java/org/hibernate/query/sqm/sql/BaseSqmToSqlAstConverter.java
+++ b/hibernate-core/src/main/java/org/hibernate/query/sqm/sql/BaseSqmToSqlAstConverter.java
@@ -5470,6 +5470,10 @@ public abstract class BaseSqmToSqlAstConverter<T extends Statement> extends Base
 				else if ( valueConverter.getRelationalJavaType().isInstance( value ) ) {
 					sqlLiteralValue = value;
 				}
+				else if ( Character.class.isAssignableFrom( valueConverter.getRelationalJavaType().getJavaTypeClass() )
+						&& value instanceof CharSequence && ( (CharSequence) value ).length() == 1 ) {
+					sqlLiteralValue = ( (CharSequence) value ).charAt( 0 );
+				}
 				// In HQL, number literals might not match the relational java type exactly,
 				// so we allow coercion between the number types
 				else if ( Number.class.isAssignableFrom( valueConverter.getRelationalJavaType().getJavaTypeClass() )