diff --git a/modello-core/src/main/java/org/codehaus/modello/plugin/AbstractModelloGenerator.java b/modello-core/src/main/java/org/codehaus/modello/plugin/AbstractModelloGenerator.java
index 73eb7902c..ae9898964 100644
--- a/modello-core/src/main/java/org/codehaus/modello/plugin/AbstractModelloGenerator.java
+++ b/modello-core/src/main/java/org/codehaus/modello/plugin/AbstractModelloGenerator.java
@@ -294,6 +294,11 @@ protected BuildContext getBuildContext()
     protected Writer newWriter( Path path )
     {
         Charset charset = getEncoding() != null ? Charset.forName( getEncoding() ) : Charset.defaultCharset();
+        return newWriter( path, charset );
+    }
+
+    protected Writer newWriter( Path path, Charset charset )
+    {
         return new CachingWriter( getBuildContext(), path, charset );
     }
 
diff --git a/modello-plugins/modello-plugin-jsonschema/src/main/java/org/codehaus/modello/plugin/jsonschema/JsonSchemaGenerator.java b/modello-plugins/modello-plugin-jsonschema/src/main/java/org/codehaus/modello/plugin/jsonschema/JsonSchemaGenerator.java
index b08b34463..8fe9e63a0 100644
--- a/modello-plugins/modello-plugin-jsonschema/src/main/java/org/codehaus/modello/plugin/jsonschema/JsonSchemaGenerator.java
+++ b/modello-plugins/modello-plugin-jsonschema/src/main/java/org/codehaus/modello/plugin/jsonschema/JsonSchemaGenerator.java
@@ -24,6 +24,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Properties;
@@ -107,7 +108,7 @@ private void generateJsonSchema( Properties parameters )
                                   .enable( JsonWriteFeature.QUOTE_FIELD_NAMES.mappedFeature() )
                                   .enable( JsonWriteFeature.QUOTE_FIELD_NAMES.mappedFeature() )
                                   .disable( JsonWriteFeature.WRITE_NUMBERS_AS_STRINGS.mappedFeature() )
-                                  .createGenerator( newWriter( schemaFile.toPath() ) );
+                                  .createGenerator( newWriter( schemaFile.toPath(), StandardCharsets.UTF_8 ) );
 
         generator.useDefaultPrettyPrinter();