diff --git a/qwt-5.2.2-install_qt.patch b/qwt-5.2.2-install_qt.patch
index 057f5ca..825ae24 100644
--- a/qwt-5.2.2-install_qt.patch
+++ b/qwt-5.2.2-install_qt.patch
@@ -35,7 +35,7 @@ diff -up qwt-5.2.2/src/src.pro.install_qt qwt-5.2.2/src/src.pro
 +# pkgconfig support
 +#target.path = $$[QT_INSTALL_LIBS]
 +CONFIG     += create_pc create_prl no_install_prl
-+QMAKE_PKGCONFIG_NAME = qwt5
++QMAKE_PKGCONFIG_NAME = qwt5-qt4
 +QMAKE_PKGCONFIG_DESCRIPTION = Qt Widgets for Technical Applications
 +QMAKE_PKGCONFIG_LIBDIR = $$[QT_INSTALL_LIBS]
 +QMAKE_PKGCONFIG_INCDIR = $$[QT_INSTALL_HEADERS]/qwt
diff --git a/qwt.spec b/qwt.spec
index 0cc5bab..1893790 100644
--- a/qwt.spec
+++ b/qwt.spec
@@ -73,7 +73,7 @@ mv $RPM_BUILD_ROOT%{_qt4_docdir}/html/html \
 
 # hack
 mv $RPM_BUILD_ROOT%{_qt4_libdir}/pkgconfig/qwt.pc \
-   $RPM_BUILD_ROOT%{_qt4_libdir}/pkgconfig/qwt5.pc
+   $RPM_BUILD_ROOT%{_qt4_libdir}/pkgconfig/qwt5-qt4.pc
 
 
 %post -p /sbin/ldconfig
@@ -96,7 +96,7 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3/*
 %{_qt4_headerdir}/qwt/
 %{_qt4_libdir}/libqwt.so
-%{_qt4_libdir}/pkgconfig/qwt5.pc
+%{_qt4_libdir}/pkgconfig/qwt5-qt4.pc
 %{?_qt4_plugindir}/designer/libqwt_designer_plugin.so
 
 %files doc