diff --git a/jasper.spec b/jasper.spec
index f59a8f0..d32910b 100644
--- a/jasper.spec
+++ b/jasper.spec
@@ -5,19 +5,12 @@
 
 Summary: Implementation of the JPEG-2000 standard, Part 1
 Name:    jasper
-Group:   System Environment/Libraries
 Version: 2.0.14
-Release: 2%{?dist}
-
-%if "%{version}" > "1.900.1"
-%define ext .tar.gz
-%else
-%define ext .zip
-%endif
+Release: 3%{?dist}
 
 License: JasPer
 URL:     http://www.ece.uvic.ca/~frodo/jasper/
-Source0: http://www.ece.uvic.ca/~frodo/jasper/software/jasper-%{version}%{ext}
+Source0: http://www.ece.uvic.ca/~frodo/jasper/software/jasper-%{version}.tar.gz
 
 
 # architecture related patches
@@ -34,6 +27,7 @@ BuildRequires: pkgconfig doxygen
 BuildRequires: mesa-libGL-devel
 
 Requires: %{name}-libs%{?_isa} = %{version}-%{release}
+Requires: gcc
 
 %description
 This package contains an implementation of the image compression
@@ -42,7 +36,6 @@ from the JP2 and JPC formats.
 
 %package devel
 Summary: Header files, libraries and developer documentation
-Group:   Development/Libraries
 Provides: libjasper-devel = %{version}-%{release}
 Requires: %{name}-libs%{?_isa} = %{version}-%{release}
 Requires: libjpeg-devel
@@ -52,14 +45,12 @@ Requires: pkgconfig
 
 %package libs
 Summary: Runtime libraries for %{name}
-Group:   System Environment/Libraries
 Conflicts: jasper < 1.900.1-4
 %description libs
 %{summary}.
 
 %package utils
 Summary: Nonessential utilities for %{name}
-Group:   Development/Libraries
 Requires: %{name} = %{version}-%{release}
 Requires: %{name}-libs%{?_isa} = %{version}-%{release}
 %description utils
@@ -99,7 +90,7 @@ popd
 
 %install
 pushd builder
-make install DESTDIR=$RPM_BUILD_ROOT
+make install DESTDIR=%{buildroot}
 
 #%if "%{_arch}" != "arm" && "%{_arch}" != "i386"
 #	mv %{buildroot}/usr/lib %{buildroot}/usr/lib64
@@ -107,7 +98,7 @@ make install DESTDIR=$RPM_BUILD_ROOT
 
 # Unpackaged files
 rm -f doc/README
-rm -f $RPM_BUILD_ROOT%{_libdir}/lib*.la
+rm -f %{buildroot}%{_libdir}/lib*.la
 popd
 
 %check
@@ -116,9 +107,7 @@ make test
 
 popd
 
-%post libs -p /sbin/ldconfig
-
-%postun libs -p /sbin/ldconfig
+%ldconfig_scriptlets libs
 
 
 %files
@@ -145,6 +134,12 @@ popd
 
 
 %changelog
+* Mon Feb 26 2018 Josef Ridky <jridky@redhat.com> - 2.0.14-3
+- Clean spec file
+- Remove unused Group tag
+- Add gcc requirement
+- Use ldconfig scriptlet
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.0.14-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild