diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index a1a016554d..2608e16d6e 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -193,7 +193,7 @@ test1508 test1509 test1510 test1511 test1512 test1513 test1514 test1515 \
test1516 test1517 test1518 test1519 test1520 test1521 test1522 test1523 \
test1524 test1525 test1526 test1527 test1528 test1529 test1530 test1531 \
test1532 test1533 test1534 test1535 test1536 test1537 test1538 test1539 \
-test1540 test1542 test1543 test1544 \
+test1540 test1542 test1543 test1544 test1545 \
\
test1550 test1551 test1552 test1553 test1554 test1555 test1556 test1557 \
test1558 test1559 test1560 test1561 test1562 test1563 test1564 test1565 \
diff --git a/tests/data/test1545 b/tests/data/test1545
new file mode 100644
index 0000000000..477b5bf444
--- /dev/null
+++ b/tests/data/test1545
@@ -0,0 +1,38 @@
+
+
+
+HTTP
+HTTP GET
+
+
+#
+# Server-side
+
+
+
+# Client-side
+
+
+form-api
+
+
+http
+
+# tool is what to use instead of 'curl'
+
+lib%TESTNUMBER
+
+
+
+use curl_formadd() data twice with unreadable file
+
+
+http://%HOSTIP:%HTTPPORT/%TESTNUMBER
+
+
+
+#
+# Verify data after the test has been "shot"
+
+
+
diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index d7f1de2a3b..c4d36a26b3 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -58,7 +58,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect libprereq \
lib1518 lib1520 lib1521 lib1522 lib1523 \
lib1525 lib1526 lib1527 lib1528 lib1529 lib1530 lib1531 lib1532 lib1533 \
lib1534 lib1535 lib1536 lib1537 lib1538 lib1539 \
- lib1540 lib1542 lib1543 \
+ lib1540 lib1542 lib1543 lib1545 \
lib1550 lib1551 lib1552 lib1553 lib1554 lib1555 lib1556 lib1557 \
lib1558 lib1559 lib1560 lib1564 lib1565 lib1567 lib1568 lib1569 \
lib1591 lib1592 lib1593 lib1594 lib1596 lib1597 \
@@ -467,6 +467,9 @@ lib1542_LDADD = $(TESTUTIL_LIBS)
lib1543_SOURCES = lib1518.c $(SUPPORTFILES)
lib1543_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1543
+lib1545_SOURCES = lib1545.c $(SUPPORTFILES)
+lib1545_CPPFLAGS = $(AM_CPPFLAGS) -DCURL_DISABLE_DEPRECATION
+
lib1550_SOURCES = lib1550.c $(SUPPORTFILES)
lib1551_SOURCES = lib1551.c $(SUPPORTFILES)
diff --git a/tests/libtest/lib1545.c b/tests/libtest/lib1545.c
new file mode 100644
index 0000000000..9278b2a5cb
--- /dev/null
+++ b/tests/libtest/lib1545.c
@@ -0,0 +1,53 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, , 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 https://curl.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.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "test.h"
+
+int test(char *URL)
+{
+ CURL *eh = NULL;
+ int res = 0;
+ struct curl_httppost *lastptr = NULL;
+ struct curl_httppost *m_formpost = NULL;
+
+ global_init(CURL_GLOBAL_ALL);
+
+ easy_init(eh);
+
+ easy_setopt(eh, CURLOPT_URL, URL);
+ curl_formadd(&m_formpost, &lastptr, CURLFORM_COPYNAME, "file",
+ CURLFORM_FILE, "missing-file", CURLFORM_END);
+ curl_easy_setopt(eh, CURLOPT_HTTPPOST, m_formpost);
+
+ (void)curl_easy_perform(eh);
+ (void)curl_easy_perform(eh);
+
+test_cleanup:
+
+ curl_formfree(m_formpost);
+
+ curl_easy_cleanup(eh);
+ curl_global_cleanup();
+
+ return res;
+}