diff --git a/libasn1c.changes b/libasn1c.changes
index 59a21ae..e5dca54 100644
--- a/libasn1c.changes
+++ b/libasn1c.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Mar 25 09:12:55 UTC 2018 - jengelh@inai.de
+
+- Require talloc from libasn1c-devel as its header file is used.
+- Show logs on testsuite failure.
+
 -------------------------------------------------------------------
 Mon Oct  2 22:35:06 UTC 2017 - jengelh@inai.de
 
diff --git a/libasn1c.spec b/libasn1c.spec
index 72a0138..98277f1 100644
--- a/libasn1c.spec
+++ b/libasn1c.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libasn1c
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -55,6 +55,7 @@ EXTENDED-XER, PER.
 Summary:        Development files for libasn1c, Osmocom's ASN.1 decoder and encoder library
 Group:          Development/Libraries/C and C++
 Requires:       libasn1c0 = %version
+Requires:       pkgconfig(talloc)
 
 %description -n libasn1c-devel
 Compiles ASN.1 data structures into C source structures that can be
@@ -77,7 +78,9 @@ make %{?_smp_mflags}
 find "%buildroot/%_libdir" -type f -name "*.la" -delete
 
 %check
-make check %{?_smp_mflags}
+if ! make check %{?_smp_mflags}; then
+	find . -name testsuite.log -exec cat "{}" "+"
+fi
 
 %post   -n libasn1c0 -p /sbin/ldconfig
 %postun -n libasn1c0 -p /sbin/ldconfig