diff --git a/krita.spec b/krita.spec
index 2798846..6cfa8e1 100644
--- a/krita.spec
+++ b/krita.spec
@@ -1,13 +1,20 @@
 %global krita_python 1
+%global kf5_ver 5.7
+%global versiondir %(echo %{version} | cut -d. -f1-3)
+
+# Work around for eigen3 trying to enforce power10.
+# https://bugzilla.redhat.com/show_bug.cgi?id=1996330
+%ifarch ppc64 ppc64le
+%global optflags %(echo %{optflags} -DEIGEN_ALTIVEC_DISABLE_MMA)
+%endif
 
 Name:           krita
 Version:        4.4.8
 Release:        1%{?dist}
+
 Summary:        Krita is a sketching and painting program
 License:        GPLv2+
 URL:            https://krita.org
-%global versiondir %(echo %{version} | cut -d. -f1-3)
-#global versiondir %{version}
 Source0:        https://download.kde.org/%{?pre:un}stable/krita/%{versiondir}%{?pre:-%{pre}}/krita-%{version}%{?pre:-%{pre}}.tar.xz
 
 ## downstream patches
@@ -15,8 +22,7 @@ Source0:        https://download.kde.org/%{?pre:un}stable/krita/%{versiondir}%{?
 ## upstream patches
 Patch4523: 4523-Support-building-with-OpenEXR-3.patch
 
-%global kf5_ver 5.7
-BuildRequires:  extra-cmake-modules >= 5.7
+BuildRequires:  extra-cmake-modules >= %{kf5_ver}
 BuildRequires:  kf5-rpm-macros
 BuildRequires:  cmake(KF5Archive)
 BuildRequires:  cmake(KF5Completion)
@@ -45,6 +51,7 @@ BuildRequires:  giflib-devel >= 5
 BuildConflicts: giflib-devel < 5
 %endif
 BuildRequires:  libtiff-devel
+BuildRequires:  ninja-build
 BuildRequires:  pkgconfig(fftw3)
 BuildRequires:  pkgconfig(eigen3)
 BuildRequires:  pkgconfig(exiv2)
@@ -91,7 +98,8 @@ It was created with the following types of art in mind:
 Summary:        Shared libraries for %{name}
 Obsoletes:      calligra-krita-libs < 3.0
 Provides:       calligra-krita-libs = %{version}-%{release}
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+
 %description    libs
 %{summary}.
 
@@ -101,13 +109,7 @@ Requires:       %{name} = %{version}-%{release}
 
 
 %build
-# Work around for eigen3 trying to enforce power10.
-# https://bugzilla.redhat.com/show_bug.cgi?id=1996330
-%ifarch ppc64 ppc64le
-%global optflags_orig %optflags
-%global optflags %optflags_orig -DEIGEN_ALTIVEC_DISABLE_MMA
-%endif
-%cmake_kf5
+%cmake_kf5 -G Ninja
 
 %cmake_build
 
@@ -140,7 +142,6 @@ Requires:       %{name} = %{version}-%{release}
 %{_kf5_libdir}/krita-python-libs/
 %endif
 
-%ldconfig_scriptlets libs
 
 %files libs
 %{_kf5_libdir}/libkrita*.so.*
@@ -151,6 +152,7 @@ Requires:       %{name} = %{version}-%{release}
 %changelog
 * Sun Sep 26 2021 Vitaly Zaitsev <vitaly@easycoding.org> - 4.4.8-1
 - Updated to version 4.4.8.
+- Performed minor SPEC cleanup.
 
 * Mon Aug 23 2021 Richard Shaw <hobbes1069@gmail.com> - 4.4.5-10
 - Rebuild with opencolorio1 compat package.