diff --git a/0001-build-fixes.patch b/0001-build-fixes.patch
index 29e6ab1..eb80149 100644
--- a/0001-build-fixes.patch
+++ b/0001-build-fixes.patch
@@ -4,6 +4,9 @@ Date: Mon, 21 Jul 2014 10:13:00 +0200
 Subject: [PATCH] build: fixes
 
 Find and use system talloc, do not rely on OSMO's bundled copy.
+
+Avoid adding .o files into _LDADD, this is nonportable.
+
 Rename libmtp to libosmo-mtp, as libmtp is already used by the
 Multimedia Transfer Protocol library.
 ---
@@ -12,10 +15,10 @@ Multimedia Transfer Protocol library.
  libosmo-sccp.pc.in     |    2 +-
  src/Makefile.am        |   20 +++++++++++++++-----
  tests/m2ua/Makefile.am |    2 +-
- tests/sccp/Makefile.am |    3 ++-
+ tests/sccp/Makefile.am |    6 +++---
  tests/ss7/Makefile.am  |    2 --
  tests/xua/Makefile.am  |    6 ++----
- 8 files changed, 23 insertions(+), 15 deletions(-)
+ 8 files changed, 24 insertions(+), 17 deletions(-)
 
 Index: libosmo-sccp-1.2.0/configure.ac
 ===================================================================
@@ -104,17 +107,21 @@ Index: libosmo-sccp-1.2.0/tests/sccp/Makefile.am
 ===================================================================
 --- libosmo-sccp-1.2.0.orig/tests/sccp/Makefile.am
 +++ libosmo-sccp-1.2.0/tests/sccp/Makefile.am
-@@ -1,4 +1,4 @@
+@@ -1,13 +1,13 @@
 -AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include
 +AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include ${TALLOC_CFLAGS}
  AM_CFLAGS=-Wall -ggdb3 $(LIBOSMOCORE_CFLAGS)
  
  EXTRA_DIST = sccp_test.ok
-@@ -9,5 +9,6 @@ sccp_test_SOURCES = sccp_test.c
+ 
+ noinst_PROGRAMS = sccp_test
+ 
+-sccp_test_SOURCES = sccp_test.c
++sccp_test_SOURCES = sccp_test.c ${top_srcdir}/src/sccp.c
  sccp_test_LDADD = \
  	$(LIBOSMOCORE_LIBS) \
- 	$(top_builddir)/src/sccp.o \
-+        ${TALLOC_LIBS} \
+-	$(top_builddir)/src/sccp.o \
++	${TALLOC_LIBS} \
  	$(NULL)
  
 Index: libosmo-sccp-1.2.0/tests/ss7/Makefile.am
diff --git a/libosmo-sccp.changes b/libosmo-sccp.changes
index c64e295..89026fb 100644
--- a/libosmo-sccp.changes
+++ b/libosmo-sccp.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jan  7 11:42:32 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Update 0001-build-fixes.patch to build sccp_test with SOURCES,
+  not LDADD.
+
 -------------------------------------------------------------------
 Sun Jan  5 10:19:06 UTC 2020 - Martin Hauke <mardnh@gmx.de>
 
diff --git a/libosmo-sccp.spec b/libosmo-sccp.spec
index bd0be42..51295ee 100644
--- a/libosmo-sccp.spec
+++ b/libosmo-sccp.spec
@@ -28,7 +28,6 @@ URL:            https://projects.osmocom.org/projects/libosmo-sccp
 #Git-Clone:	git://git.osmocom.org/libosmo-sccp
 Source:         %name-%version.tar.xz
 Patch1:         0001-build-fixes.patch
-Patch2:         0002-build-fixes.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  automake >= 1.6
 BuildRequires:  libtool >= 2