diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/FromDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/FromDefinition.java
index fe08df54a36fd..63a6f9230f291 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/FromDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/FromDefinition.java
@@ -61,6 +61,22 @@ public FromDefinition(EndpointConsumerBuilder endpointConsumerBuilder) {
         setEndpointConsumerBuilder(endpointConsumerBuilder);
     }
 
+    FromDefinition copy() {
+        FromDefinition copy = new FromDefinition();
+        copy.parent = this.parent;
+        copy.endpoint = this.endpoint;
+        copy.endpointConsumerBuilder = this.endpointConsumerBuilder;
+        copy.uri = this.uri;
+        copy.variableReceive = this.variableReceive;
+        copy.setCamelContext(this.getCamelContext());
+        copy.setId(this.getId());
+        copy.setCustomId(this.getCustomId());
+        copy.setDescription(this.getDescription());
+        copy.setLineNumber(this.getLineNumber());
+        copy.setLocation(this.getLocation());
+        return copy;
+    }
+
     @Override
     public String toString() {
         return "From[" + getLabel() + "]";
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/RouteTemplateDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/RouteTemplateDefinition.java
index 7434e13177df5..0d92463d802ab 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/RouteTemplateDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/RouteTemplateDefinition.java
@@ -409,7 +409,8 @@ public RouteDefinition asRouteDefinition() {
         copy.setDelayer(route.getDelayer());
         copy.setGroup(route.getGroup());
         copy.setInheritErrorHandler(route.isInheritErrorHandler());
-        copy.setInput(route.getInput());
+        // make a defensive copy of the input as input can be adviced during testing or other changes
+        copy.setInput(route.getInput().copy());
         copy.setInputType(route.getInputType());
         copy.setLogMask(route.getLogMask());
         copy.setMessageHistory(route.getMessageHistory());