diff --git a/community/gnuradio/PKGBUILD b/community/gnuradio/PKGBUILD
index 2216ea205..faf9d7f9c 100644
--- a/community/gnuradio/PKGBUILD
+++ b/community/gnuradio/PKGBUILD
@@ -9,7 +9,7 @@
 pkgbase=gnuradio
 pkgname=(gnuradio gnuradio-companion)
 pkgver=3.7.13.4
-pkgrel=1
+pkgrel=2
 pkgdesc="General purpose DSP and SDR toolkit.  With drivers for usrp and fcd."
 arch=('x86_64')
 url="http://gnuradio.org"
@@ -17,7 +17,7 @@ license=('GPL')
 depends=('fftw' 'python2-numpy' 'cppunit' 'gsl' 'blas' 'boost-libs>=1.53'
     'libusbx' 'portaudio' 'libuhd' 'zeromq' 'libvolk')
 makedepends=('boost' 'cmake' 'python2-lxml' 'python2-cheetah' 'glu' 'swig'
-    'pygtk' 'wxpython' 'python2-pyqwt' 'qwtplot3d')
+    'pygtk' 'wxpython' 'qwtplot3d' 'qwt5')
 
 # todo
 # split the gui components?
@@ -62,6 +62,7 @@ prepare() {
   #sed -i 's|SET(CMAKE_CXX_STANDARD 98)|#&|' CMakeLists.txt
   #sed -i 's|SET(CMAKE_C_FLAGS .* -std=gnu99"|#&|' CMakeLists.txt
   sed -i '333i ${CMAKE_THREAD_LIBS_INIT}' gr-blocks/lib/CMakeLists.txt
+  sed -e '/PyQt4/d' -i gr-qtgui/CMakeLists.txt # Build PyQt4 UI even if PyQt4 is not installed
 }
 
 build() {
@@ -81,6 +82,7 @@ build() {
     -DPYTHON_INCLUDE_DIR=$(echo /usr/include/python2*) \
     -DENABLE_GR_QTGUI=ON \
     -DPYTHON_LIBRARY=$(echo /usr/lib/libpython2.*.so) \
+    -DPYQT4_FOUND=ON \
     -DENABLE_INTERNAL_VOLK=OFF \
     -DENABLE_GRC=ON \
     -DENABLE_GR_WXGUI=ON \
@@ -110,7 +112,7 @@ package_gnuradio() {
 package_gnuradio-companion() {
   pkgdesc="GUI frontend for gnuradio and SDR."
   depends=('gnuradio' 'python2-cheetah' 'python2-lxml'
-      'pygtk' 'wxpython' 'python2-opengl' 'python2-pyqwt' 'qwtplot3d'
+      'pygtk' 'wxpython' 'python2-opengl' 'qwt5' 'qwtplot3d'
       'python2-numarray')
   # Yup, nothing in the package except dependencies,
   # because more than five optdeps is too many for most people.