diff --git a/backend/src/main/java/org/apache/jmeter/protocol/http/sampler/HTTPSamplerProxy.java b/backend/src/main/java/org/apache/jmeter/protocol/http/sampler/HTTPSamplerProxy.java
index dcf2d626ab..216387be83 100644
--- a/backend/src/main/java/org/apache/jmeter/protocol/http/sampler/HTTPSamplerProxy.java
+++ b/backend/src/main/java/org/apache/jmeter/protocol/http/sampler/HTTPSamplerProxy.java
@@ -112,6 +112,9 @@ public final class HTTPSamplerProxy extends HTTPSamplerBase implements Interrupt
         }
         try {
             String url = toExternalForm(u);
+            if (StringUtils.isNotEmpty(url) && url.startsWith("http:/http")) {
+                url = url.substring(6);
+            }
             u = new URL(url);
         } catch (Exception ex) {
             LogUtil.error(ex);