diff --git a/openssl-ibmca-1.4.0-link.patch b/openssl-ibmca-1.4.0-link.patch
new file mode 100644
index 0000000..400671a
--- /dev/null
+++ b/openssl-ibmca-1.4.0-link.patch
@@ -0,0 +1,47 @@
+From 29c3157a895e8c6428100a3c0229fb405a978137 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Dan=20Hor=C3=A1k?= <dan@danny.cz>
+Date: Wed, 17 Jan 2018 13:52:02 +0100
+Subject: [PATCH] switch to ibmca.so filename to allow a standalone use
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Dan Horák <dan@danny.cz>
+---
+ src/Makefile.am        | 10 +++++-----
+ src/openssl.cnf.sample |  2 +-
+ 2 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/src/Makefile.am b/src/Makefile.am
+index 58e7f4e..ff27458 100644
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -1,10 +1,10 @@
+-lib_LTLIBRARIES=libibmca.la
++lib_LTLIBRARIES=ibmca.la
+ 
+-libibmca_la_SOURCES=e_ibmca.c e_ibmca_err.c
+-libibmca_la_LIBADD=-ldl
+-libibmca_la_LDFLAGS=-module -version-info 0:2:0 -shared -no-undefined -avoid-version
++ibmca_la_SOURCES=e_ibmca.c e_ibmca_err.c
++ibmca_la_LIBADD=-ldl
++ibmca_la_LDFLAGS=-module -version-info 0:2:0 -shared -no-undefined -avoid-version
+ 
+-dist_libibmca_la_SOURCES=e_ibmca_err.h e_os.h cryptlib.h
++dist_ibmca_la_SOURCES=e_ibmca_err.h e_os.h cryptlib.h
+ EXTRA_DIST = openssl.cnf.sample
+ 
+ ACLOCAL_AMFLAGS = -I m4
+diff --git a/src/openssl.cnf.sample b/src/openssl.cnf.sample
+index 0094864..e483686 100644
+--- a/src/openssl.cnf.sample
++++ b/src/openssl.cnf.sample
+@@ -23,7 +23,7 @@ ibmca = ibmca_section
+ # The openssl engine path for libibmca.so.
+ # Set the dynamic_path to where the libibmca.so engine
+ # resides on the system.
+-dynamic_path = /usr/local/lib/libibmca.so
++dynamic_path = /usr/local/lib/ibmca.so
+ engine_id = ibmca
+ init = 1
+ 
diff --git a/openssl-ibmca.spec b/openssl-ibmca.spec
index 3b013cc..00721e3 100644
--- a/openssl-ibmca.spec
+++ b/openssl-ibmca.spec
@@ -1,55 +1,59 @@
+%global enginesdir %(pkg-config --variable=enginesdir libcrypto)
+
 Summary: A dynamic OpenSSL engine for IBMCA
 Name: openssl-ibmca
 Version: 1.4.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: ASL 2.0
 Group: System Environment/Libraries
 URL: https://github.com/opencryptoki
-Source0: https://github.com/opencryptoki/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
+Source0: https://github.com/opencryptoki/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
 # https://bugzilla.redhat.com/show_bug.cgi?id=584765
-Patch0: openssl-ibmca-1.4.0-libica-soname.patch
+Patch0: %{name}-1.4.0-libica-soname.patch
+# https://github.com/opencryptoki/openssl-ibmca/commit/29c3157a895e8c6428100a3c0229fb405a978137
+Patch1: %{name}-1.4.0-link.patch
 Requires: libica >= 3.1.0
 BuildRequires: libica-devel >= 3.1.0
 BuildRequires: automake libtool
 ExclusiveArch: s390 s390x
 
-%global enginesdir %{_libdir}/engines-1.1
 
 %description
 A dynamic OpenSSL engine for IBMCA crypto hardware on IBM z Systems machines.
 
 
 %prep
-%setup -q
-%patch0 -p1 -b .libica-soname
+%autosetup -p1
 
-sh ./bootstrap.sh
+./bootstrap.sh
 
 
 %build
-%configure
+%configure --libdir=%{enginesdir}
 make %{?_smp_mflags}
 
 
 %install
-make install DESTDIR=$RPM_BUILD_ROOT
-
-rm -f $RPM_BUILD_ROOT%{_libdir}/libibmca.la
-
-mkdir -p $RPM_BUILD_ROOT%{enginesdir}
-mv $RPM_BUILD_ROOT%{_libdir}/*.so $RPM_BUILD_ROOT%{enginesdir}
+%make_install
+rm -f $RPM_BUILD_ROOT%{enginesdir}/*.la
 
 pushd src
 sed -e 's|/usr/local/lib|%{enginesdir}|' openssl.cnf.sample > openssl.cnf.sample.%{_arch}
 popd
 
+
 %files
+%license LICENSE
 %doc ChangeLog README.md src/openssl.cnf.sample.%{_arch}
-%{enginesdir}/libibmca.so
+%{enginesdir}/ibmca.so
 %{_mandir}/man5/ibmca.5*
 
 
 %changelog
+* Wed Jan 24 2018 Dan Horák <dan@danny.cz> - 1.4.0-2
+- update engine filename
+- spec cleanup
+
 * Mon Sep 11 2017 Dan Horák <dan@danny.cz> - 1.4.0-1
 - updated to 1.4.0