diff --git a/src/main/java/com/loadium/postman2jmx/model/jmx/JmxHTTPSamplerProxy.java b/src/main/java/com/loadium/postman2jmx/model/jmx/JmxHTTPSamplerProxy.java
index 2590ba4..415f768 100644
--- a/src/main/java/com/loadium/postman2jmx/model/jmx/JmxHTTPSamplerProxy.java
+++ b/src/main/java/com/loadium/postman2jmx/model/jmx/JmxHTTPSamplerProxy.java
@@ -77,6 +77,9 @@ public static HTTPSamplerProxy newInstance(PostmanItem postmanItem) {
 
 
         for (PostmanQuery query : postmanItem.getRequest().getUrl().getQueries()) {
+            if(query.getKey() == null) {
+                continue;
+            }
             argument = new HTTPArgument();
             argument.setName(query.getKey());
             argument.setValue(query.getValue());