diff --git a/packages/FreeBSD/build.sh.in b/packages/FreeBSD/build.sh.in
index 85063e92d754..2d3f3780b679 100644
--- a/packages/FreeBSD/build.sh.in
+++ b/packages/FreeBSD/build.sh.in
@@ -89,17 +89,14 @@ cd $HERE
 
 cat >> ${STAGEDIR}/+POST_INSTALL <<EOF
 
-# Add missing libraries symlinks due to invalid shlib verion
-OUT=\`ldd /usr/local/bin/ntopng | grep "not found"\`
+# Add missing libraries symlinks due to invalid shlib version
+RES=\`ldd /usr/local/bin/ntopng | grep "not found" | cut -d '=' -f 1 | sed 's/[[:blank:]]//g'\`
 
-if [ ! -z "\$OUT" ]; then
-  RES=\`echo \$OUT | cut -d '=' -f 1 | sed 's/[[:blank:]]//g'\`
-
-  for LIB in \$RES; do
+for LIB in \$RES; do
     BASELIB=\`echo \$LIB|cut -d '.' -f 1\`
     CMD=\`ln -s /usr/local/lib/\$BASELIB.so /usr/local/lib/\$LIB\`
-  done
-fi
+done
+EOF
 
 ####################