diff --git a/src/main/java/io/swagger/codegen/v3/generators/java/AbstractJavaCodegen.java b/src/main/java/io/swagger/codegen/v3/generators/java/AbstractJavaCodegen.java
index 07aa3cf3f7..f434858dc5 100644
--- a/src/main/java/io/swagger/codegen/v3/generators/java/AbstractJavaCodegen.java
+++ b/src/main/java/io/swagger/codegen/v3/generators/java/AbstractJavaCodegen.java
@@ -1618,6 +1618,7 @@ public void setSupportJava6(boolean value) {
         this.supportJava6 = value;
     }
 
+    @Override
     public String toRegularExpression(String pattern) {
         return escapeText(pattern);
     }
diff --git a/src/main/java/io/swagger/codegen/v3/generators/kotlin/AbstractKotlinCodegen.java b/src/main/java/io/swagger/codegen/v3/generators/kotlin/AbstractKotlinCodegen.java
index d42ae0a90c..b4e156847f 100644
--- a/src/main/java/io/swagger/codegen/v3/generators/kotlin/AbstractKotlinCodegen.java
+++ b/src/main/java/io/swagger/codegen/v3/generators/kotlin/AbstractKotlinCodegen.java
@@ -523,6 +523,11 @@ public void addHandlebarHelpers(Handlebars handlebars) {
         handlebars.registerHelpers(ConditionalHelpers.class);
     }
 
+    @Override
+    public String toRegularExpression(String pattern) {
+        return escapeText(pattern);
+    }
+
     /**
      * Provides a strongly typed declaration for simple arrays of some type and arrays of arrays of some type.
      *