diff --git a/tests/libtest/lib544.c b/tests/libtest/lib544.c
index 4a4e4f223a..7e2f73518e 100644
--- a/tests/libtest/lib544.c
+++ b/tests/libtest/lib544.c
@@ -68,6 +68,16 @@ int test(char *URL)
   /* Update the original data to detect non-copy. */
   strcpy(teststring, "FAIL");
 
+#ifdef LIB545
+  {
+    CURL *handle2;
+    handle2 = curl_easy_duphandle(curl);
+    curl_easy_cleanup(curl);
+
+    curl = handle2;
+  }
+#endif
+
   /* Now, this is a POST request with binary 0 embedded in POST data. */
   res = curl_easy_perform(curl);