diff --git a/lofar-pulp/Dockerfile b/lofar-pulp/Dockerfile
index 15973e42e6ba1f2349057aa946f33a5cf1fe3504..36892901bb737b6b1b7c84b42d0e4713bbec2344 100644
--- a/lofar-pulp/Dockerfile
+++ b/lofar-pulp/Dockerfile
@@ -476,7 +476,7 @@ RUN cd ${INSTALLDIR}/bin && sudo cp ${LOFARSOFT}/src/Pulsar/scripts/digitize.py
 # running psrchive_config and put the config file to /usr/local/etc/psrchive.cfg
 # and making necessary changes, such as
 # FrequencyAppend::weight change from 'radiometer' to 'none'
-# FrequencyAppend::force_new_predictor from 0 to 1
+# FrequencyAppend::force_new_predictor from 0 to 1 - REMOVED
 # Other necessary parameters seem now to have good values by default, i.e.
 # Dispersion::barycentric_correction = 1
 # WeightedFrequency::round_to_kHz = 0
@@ -500,7 +500,9 @@ RUN sudo mkdir -p ${INSTALLDIR}/etc  && cd ${INSTALLDIR}/etc && sudo touch psrch
     sudo sed -i 's/^FrequencyAppend::weight/#FrequencyAppend::weight/' psrchive.cfg && \
     sudo sed -i '/^#.*FrequencyAppend::weight\ =/a FrequencyAppend::weight\ =\ none' psrchive.cfg && \
     sudo sed -i 's/^FrequencyAppend::force_new_predictor/#FrequencyAppend::force_new_predictor/' psrchive.cfg && \
-    sudo sed -i '/^#.*FrequencyAppend::force_new_predictor\ =/a FrequencyAppend::force_new_predictor\ =\ 1' psrchive.cfg
+    sudo sed -i 's/^width/#width/' psrchive.cfg && \
+    sudo sed -i 's/^,find_min/#,find_min/' psrchive.cfg
+#    sudo sed -i '/^#.*FrequencyAppend::force_new_predictor\ =/a FrequencyAppend::force_new_predictor\ =\ 1' psrchive.cfg
 
 ENV PYTHONPATH="./:${PRESTO}/lib/python:${PRESTO}/python:${INSTALLDIR}/bin:${INSTALLDIR}/src:${INSTALLDIR}/lib/python2.7/site-packages/:${INSTALLDIR}/lib/python2.7/dist-packages/:${INSTALLDIR}/src/coast_guard:${INSTALLDIR}/bin/lofar_antenna_state:${INSTALLDIR}/src/LOFAR-BF-pulsar-scripts/fluxcal:${MSCORPOL}/mscorpol:${PULP}"
 ENV LD_LIBRARY_PATH="${PGPLOT_DIR}:${PRESTO}/lib:${PRESTO}/lib/python:${INSTALLDIR}/lib:/usr/lib:${SIGPROC}:${TEMPO2}/lib:${INSTALLDIR}/lib64:${INSTALLDIR}/lib/instantclient_11_2:${INSTALLDIR}/src/dedisp-multi/lib:${INSTALLDIR}/src/dedisp/lib"