diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java
index 882fccb4a21..066f424bfa1 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java
@@ -784,6 +784,11 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
                 return p.getDefault().toString();
             }
             return null;
+        } else if (ModelUtils.isURISchema(p)) {
+            if (p.getDefault() != null) {
+                return "URI.create(\"" + escapeText((String) p.getDefault()) + "\")";
+            }
+            return null;
         } else if (ModelUtils.isStringSchema(p)) {
             if (p.getDefault() != null) {
                 String _default = (String) p.getDefault();
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java
index 58d22e51650..438ce57def4 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java
@@ -834,6 +834,10 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
             if (p.getDefault() != null) {
                 return p.getDefault().toString();
             }
+        } else if (ModelUtils.isURISchema(p)) {
+            if (p.getDefault() != null) {
+                return "URI.create('" + p.getDefault() + "')";
+            }
         } else if (ModelUtils.isStringSchema(p)) {
             if (p.getDefault() != null) {
                 return "'" + p.getDefault() + "'";