diff --git a/argon2.changes b/argon2.changes
index ba9e328..df39771 100644
--- a/argon2.changes
+++ b/argon2.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jan 30 13:31:06 UTC 2018 - lnussel@suse.de
+
+- add baselibs.conf as cryptsetup also has 32bit variants
+
 -------------------------------------------------------------------
 Tue Jan  9 10:56:17 UTC 2018 - jengelh@inai.de
 
diff --git a/argon2.spec b/argon2.spec
index 9b233ec..6ec17f9 100644
--- a/argon2.spec
+++ b/argon2.spec
@@ -33,6 +33,7 @@ License:        CC0-1.0 or Apache-2.0
 Group:          Productivity/Networking/Security
 Url:            https://github.com/P-H-C/phc-winner-argon2
 Source:         %{name}-%{version}.tar.xz
+Source1:        baselibs.conf
 Patch1:         optflags.patch
 BuildRequires:  pkgconfig
 BuildRequires:  sed
diff --git a/baselibs.conf b/baselibs.conf
new file mode 100644
index 0000000..5a35d3a
--- /dev/null
+++ b/baselibs.conf
@@ -0,0 +1 @@
+libargon2-1