diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java
index c2568d66259b..9ca0e9fdd7c5 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java
@@ -162,6 +162,7 @@ public class DartClientCodegen extends DefaultCodegen implements CodegenConfig {
         typeMapping.put("float", "double");
         typeMapping.put("double", "double");
         typeMapping.put("object", "Object");
+        typeMapping.put("AnyType", "Object");
         typeMapping.put("integer", "int");
         typeMapping.put("Date", "DateTime");
         typeMapping.put("date", "DateTime");