diff --git a/jmeter/multiple_visitors_test.jmx b/jmeter/multiple_visitors_test.jmx
index d1cda68df4..21027e4540 100644
--- a/jmeter/multiple_visitors_test.jmx
+++ b/jmeter/multiple_visitors_test.jmx
@@ -128,6 +128,21 @@
                 </elementProp>
               </collectionProp>
             </elementProp>
+            <hashTree>
+              <HeaderManager guiclass="HeaderPanel" testclass="HeaderManager" testname="HTTP Header Manager" enabled="true">
+                <collectionProp name="HeaderManager.headers">
+                  <elementProp name="" elementType="Header">
+                    <stringProp name="Header.name">Content-Type</stringProp>
+                    <stringProp name="Header.value">application/json</stringProp>
+                  </elementProp>
+                  <elementProp name="" elementType="Header">
+                    <stringProp name="Header.name">Accept</stringProp>
+                    <stringProp name="Header.value">application/json</stringProp>
+                  </elementProp>
+                </collectionProp>
+              </HeaderManager>
+              <hashTree/>
+            </hashTree>
           </HTTPSamplerProxy>
           <hashTree/>
         </hashTree>
diff --git a/jmeter/visitor_flow_test.jmx b/jmeter/visitor_flow_test.jmx
index 9d7f5f98a8..fac42ef5eb 100644
--- a/jmeter/visitor_flow_test.jmx
+++ b/jmeter/visitor_flow_test.jmx
@@ -126,6 +126,7 @@
               </collectionProp>
             </HeaderManager>
             <hashTree/>
+          </hashTree>
         </HTTPSamplerProxy>
         <hashTree/>
       </hashTree>