diff --git a/academic/pysam/pysam.SlackBuild b/academic/pysam/pysam.SlackBuild
index 91c17b0e1a..1145e63733 100644
--- a/academic/pysam/pysam.SlackBuild
+++ b/academic/pysam/pysam.SlackBuild
@@ -25,7 +25,7 @@
 
 PRGNAM=pysam
 VERSION=${VERSION:-0.15.4}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 #set which python version to install it for
@@ -68,8 +68,9 @@ rm -rf $PRGNAM-$VERSION
 tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
 cd $PRGNAM-$VERSION
 chown -R root:root .
+
 find -L . \
- \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+ \( -perm 777 -o -perm 775 -o -perm 751 -o -perm 750 -o -perm 711 -o -perm 555 \
   -o -perm 511 \) -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
@@ -79,6 +80,10 @@ find -L . \
 #export HTSLIB_LIBRARY_DIR=/usr/lib$LIBDIRSUFFIX
 #export HTSLIB_INCLUDE_DIR=/usr/include
 
+#the source does not allow 'read' to 'other', which could cause a problem on reloading a Jupyter-notebook
+chmod 644 pysam.egg-info/*
+
+
 if $PYTHON2; then
    python setup.py install --root=$PKG
 fi
@@ -95,6 +100,7 @@ cp -a \
   $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
+
 mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc