diff --git a/seirl/dev-services/install-services.sh b/seirl/dev-services/install-services.sh
index 9525029..1a1c8e3 100755
--- a/seirl/dev-services/install-services.sh
+++ b/seirl/dev-services/install-services.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
 cd "$( dirname $0 )"
 
-services_dir="$XDG_CONFIG_HOME/systemd/user"
+services_dir="${XDG_CONFIG_HOME:-$HOME/.config}/systemd/user"
 mkdir -p "$services_dir"
 cp *.service *.target "$services_dir"
 
 systemctl --user daemon-reload
diff --git a/vlorentz/run_afl.txt b/vlorentz/run_afl.txt
index 4c98166..0f74df4 100644
--- a/vlorentz/run_afl.txt
+++ b/vlorentz/run_afl.txt
@@ -1,3 +1,3 @@
-py-afl-fuzz -t 2000 -m 200 -i ~/datasets/gemspec -o fuzzing-results -- python3 ~/swh-environment/snippets/vlorentz/run_mapping.py GemspecMapper @@
+py-afl-fuzz -t 2000 -m 200 -i ~/datasets/gemspec -o fuzzing-results -- python3 ~/swh-environment/snippets/vlorentz/run_mapping.py GemspecMapping @@
 
-py-afl-fuzz -t 2000 -m 200 -i ~/datasets/pkginfo -o fuzzing-results -- python3 ~/swh-environment/snippets/vlorentz/run_mapping.py GemspecMapper @@
+py-afl-fuzz -t 2000 -m 200 -i ~/datasets/pkginfo -o fuzzing-results -- python3 ~/swh-environment/snippets/vlorentz/run_mapping.py PythonPkginfoMapping @@
diff --git a/vlorentz/run_mapping.py b/vlorentz/run_mapping.py
index cfff06c..e3c823b 100644
--- a/vlorentz/run_mapping.py
+++ b/vlorentz/run_mapping.py
@@ -1,42 +1,45 @@
+import gc
 import os
 import os.path
 import pprint
 import sys
 import traceback
 
 import afl
 
 #afl.init()
 
 from swh.indexer.metadata_dictionary import MAPPINGS
 
 try:
     mapping_name = sys.argv[1]
     file_name = sys.argv[2]
 except KeyError:
     print('Syntax: ./run_mapping.py {GemspecMapping,NpmMapping,...}')
     exit(1)
 
+gc.disable()
+
 #afl.init()
-while afl.loop(1000):
+while afl.loop(100):
 #if True:
     #sys.stdin.buffer.seek(0)
     #file_content = sys.stdin.buffer.read()
     with open(file_name, 'rb') as fd:
         file_content = fd.read()
     """
     with open('/tmp/data', 'ab') as fd:
         fd.write(repr(file_content).encode() + b'\n')
         fd.write(repr(sys.argv).encode() + b'\n')"""
     assert b'abcd' not in file_content
     try:
         MAPPINGS[mapping_name].translate(file_content)
     except:
         with open('/tmp/tb.txt', 'a') as fd:
             fd.write('tb:\n')
             fd.write(repr(list(MAPPINGS)) + '\n')
             fd.write(traceback.format_exc())
             fd.flush()
         raise
 
 os._exit(0)