diff --git a/build/rpm/qt5.spec b/build/rpm/qt5.spec
index 41efc4884..5e29a28c1 100644
--- a/build/rpm/qt5.spec
+++ b/build/rpm/qt5.spec
@@ -1,5 +1,8 @@
 # -*- rpm-spec -*-
 
+%define _qt5_version 5.10.1
+%define _qt5_dir /opt/com.belledonne-communications/linphone
+
 %define _qt5_archdatadir %{_qt5_dir}
 %define _qt5_bindir %{_qt5_dir}/bin
 %define _qt5_docdir %{_qt5_dir}/doc
diff --git a/tools/build_qt_rpm b/tools/build_qt_rpm
index 65f308e89..c03c77940 100755
--- a/tools/build_qt_rpm
+++ b/tools/build_qt_rpm
@@ -74,8 +74,4 @@ cd ..
 mkdir -p ${RPM_FOLDER}/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
 tar --transform "s/^${REPO_FOLDER}/${RPM_NAME}/" -czvf ${RPM_FOLDER}/rpmbuild/SOURCES/${RPM_NAME}.tar.gz ${REPO_FOLDER}/
 
-rpmbuild -bb \
-  --define '_qt5_dir /opt/com.belledonne-communications/linphone' \
-  --define "_qt5_version ${QT_VERSION}" \
-  --define "_topdir $PWD/${RPM_FOLDER}/rpmbuild" \
-  build/rpm/qt5.spec
+rpmbuild -bb --define "_topdir $PWD/${RPM_FOLDER}/rpmbuild" build/rpm/qt5.spec