diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 618c68223..6467ca0bb 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -5,7 +5,7 @@
 #                            | (__| |_| |  _ <| |___
 #                             \___|\___/|_| \_\_____|
 #
-# Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
 #
 # This software is licensed as described in the file COPYING, which
 # you should have received as part of this distribution. The terms
@@ -151,7 +151,7 @@ test1516 \
 \
 test1520 \
 \
-test1525 test1526 test1527 test1528 \
+test1525 test1526 test1527 test1528 test1529 \
 \
 test1800 test1801 \
 \
diff --git a/tests/data/test1529 b/tests/data/test1529
new file mode 100644
index 000000000..33df26824
--- /dev/null
+++ b/tests/data/test1529
@@ -0,0 +1,43 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+HTTP GET
+HTTP proxy
+</keywords>
+</info>
+
+# Server-side
+<reply>
+<connect>
+HTTP/1.1 200 OK
+We-are: good
+
+</connect>
+
+</reply>
+# Client-side
+<client>
+<server>
+http
+http-proxy
+</server>
+<tool>
+lib1529
+</tool>
+ <name>
+HTTP request-injection in URL sent over proxy
+ </name>
+ <command>
+ "http://the.old.moo:%HTTPPORT/1529" %HOSTIP:%PROXYPORT
+</command>
+</client>
+
+# it should be detected and an error should be reported
+<verify>
+# 3 == CURLE_URL_MALFORMAT
+<errorcode>
+3
+</errorcode>
+</verify>
+</testcase>
diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index c07dd9a7a..3508b8047 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -23,7 +23,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect                \
  lib1500 lib1501 lib1502 lib1503 lib1504 lib1505 lib1506 lib1507 lib1508 \
  lib1509 lib1510 lib1511 lib1512 lib1513 lib1514 lib1515 \
  lib1520 \
- lib1525 lib1526 lib1527 lib1528 \
+ lib1525 lib1526 lib1527 lib1528 lib1529 \
  lib1900 \
  lib2033
 
@@ -376,6 +376,10 @@ lib1528_SOURCES = lib1528.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1528_LDADD = $(TESTUTIL_LIBS)
 lib1528_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1528
 
+lib1529_SOURCES = lib1529.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
+lib1529_LDADD = $(TESTUTIL_LIBS)
+lib1529_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1529
+
 lib1900_SOURCES = lib1900.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1900_LDADD = $(TESTUTIL_LIBS)
 lib1900_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/libtest/lib1529.c b/tests/libtest/lib1529.c
new file mode 100644
index 000000000..3def142af
--- /dev/null
+++ b/tests/libtest/lib1529.c
@@ -0,0 +1,59 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "test.h"
+
+#include "memdebug.h"
+
+int test(char *URL)
+{
+  CURL *curl = NULL;
+  CURLcode res = CURLE_FAILED_INIT;
+  char bURL[512];
+  snprintf(bURL, sizeof(bURL), "%s HTTP/1.1\r\nGET http://1529.com/1529", URL);
+
+  if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
+    fprintf(stderr, "curl_global_init() failed\n");
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  if((curl = curl_easy_init()) == NULL) {
+    fprintf(stderr, "curl_easy_init() failed\n");
+    curl_global_cleanup();
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  test_setopt(curl, CURLOPT_URL, bURL);
+  test_setopt(curl, CURLOPT_PROXY, libtest_arg2);
+  test_setopt(curl, CURLOPT_VERBOSE, 1L);
+  test_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
+  test_setopt(curl, CURLOPT_HEADER, 1L);
+
+  res = curl_easy_perform(curl);
+
+test_cleanup:
+
+  curl_easy_cleanup(curl);
+  curl_global_cleanup();
+
+  return (int)res;
+}