diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..4d6e36d
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,47 @@
+engine="docker exec -w $(pwd) --user mersdk aurora-os-build-engine"
+targets=`${engine} sb2-config -l|grep -v default`
+version=`grep -E "Version" $(pwd)/rpm/harbour-fernschreiber.spec|sed "s/Version: \+//g"`
+release=`grep -E "Release:" $(pwd)/rpm/harbour-fernschreiber.spec|sed "s/Release: \+//g"`
+
+for each in key cert; do
+    if [ -f `pwd`/regular_${each}.pem ]; then 
+        echo "Found a regular_${each}.pem file: OK"
+        continue;
+    fi
+    echo -n "Downloading regular_${each}.pem for singing RPM for AuroraOS: "
+    curl https://community.omprussia.ru/documentation/files/doc/regular_${each}.pem -o regular_${each}.pem &> /dev/null
+    if [ $? -eq 0 ]; then 
+        echo "OK"
+    else
+        echo "FAIL"
+        echo "Cant download regular_${each}.pem: https://community.omprussia.ru/documentation/files/doc/regular_${each}.pem"
+        exit 1
+    fi
+done
+
+for target in ${targets}; do 
+    echo "Build for ${target}"
+    arch=${target##*-}
+    echo "Detected arch: ${arch}"
+    ${engine} mb2 -t ${target} build
+    [ $? -ne 0 ] && exit 1
+    package_name="harbour-fernschreiber-${version}-${release}.${arch}.rpm"
+    echo -n "Signing RPM  ${package_name}: "
+    temp_output="$(${engine} sb2 -t ${target} rpmsign-external sign --key `pwd`/regular_key.pem --cert `pwd`/regular_cert.pem `pwd`/RPMS/${package_name} 2>&1)"
+    if [ $? -ne 0 ]; then 
+        echo "FAIL"
+        echo "${temp_output}"
+        exit 1
+    else
+        echo "OK"
+    fi
+    echo -n "Validate RPM ${package_name}: "
+    temp_output="$( ${engine} sb2 -t ${target} rpm-validator -p regular `pwd`/RPMS/${package_name} 2>&1 )"
+    if [ $? -ne 0 ]; then 
+        echo "FAIL"
+        echo "${temp_output}"
+        exit 1
+    else
+        echo "OK"
+    fi
+done
\ No newline at end of file
diff --git a/harbour-fernschreiber.desktop b/harbour-fernschreiber.desktop
index b7d9200..30810c6 100644
--- a/harbour-fernschreiber.desktop
+++ b/harbour-fernschreiber.desktop
@@ -1,6 +1,6 @@
 [Desktop Entry]
 Type=Application
-X-Nemo-Application-Type=generic
+X-Nemo-Application-Type=silica-qt5
 Icon=harbour-fernschreiber
 Exec=harbour-fernschreiber
 Name=Fernschreiber
diff --git a/rpm/harbour-fernschreiber.spec b/rpm/harbour-fernschreiber.spec
index 4bd4a03..b286114 100644
--- a/rpm/harbour-fernschreiber.spec
+++ b/rpm/harbour-fernschreiber.spec
@@ -7,7 +7,7 @@ Name:       harbour-fernschreiber
 
 # >> macros
 %define __provides_exclude_from ^%{_datadir}/.*$
-%define __requires_exclude ^libtdjson.*$
+%define __requires_exclude ^lib(tdjson|ssl|crypto).*$ 
 # << macros
 
 Summary:    Fernschreiber is a Telegram client for Sailfish OS
@@ -57,8 +57,8 @@ make %{?_smp_mflags}
 rm -rf %{buildroot}
 # >> install pre
 # << install pre
-%qmake5_install
-
+# %qmake5_install
+make INSTALL_ROOT=%{buildroot} install 
 # >> install post
 # << install post
 
@@ -68,9 +68,13 @@ desktop-file-install --delete-original       \
 
 %files
 %defattr(-,root,root,-)
-%{_bindir}
-%{_datadir}/%{name}
+%attr(755,root,root) %{_bindir}/%{name}
+%attr(655,root,root) %{_datadir}/%{name}/qml
+%{_datadir}/%{name}/lib
+%attr(655,root,root) %{_datadir}/%{name}/images
+%attr(655,root,root) %{_datadir}/%{name}/db
+%attr(655,root,root) %{_datadir}/%{name}/translations
 %{_datadir}/applications/%{name}.desktop
-%{_datadir}/icons/hicolor/*/apps/%{name}.png
+%attr(644,root,root) %{_datadir}/icons/hicolor/*/apps/%{name}.png
 # >> files
 # << files