1 files changed, 3 insertions, 2 deletions

diff --git a/src/peerinfo-tool/test_gnunet_peerinfo.py.in b/src/peerinfo-tool/test_gnunet_peerinfo.py.in
index 9d6fd8fb2..709556f70 100755
--- a/src/peerinfo-tool/test_gnunet_peerinfo.py.in
+++ b/src/peerinfo-tool/test_gnunet_peerinfo.py.in
@@ -33,7 +33,7 @@ if gnunet_pyexpect_dir not in sys.path:
 from gnunet_pyexpect import pexpect
 
 #save LANG and set it to C
-mylang = os.environ['LANG']
+mylang = os.environ.get('LANG')
 os.environ['LANG'] = 'C'
 
 if os.name == 'posix':
@@ -139,4 +139,5 @@ finally:
     else:
         shutil.rmtree("/tmp/gnunet-test-peerinfo", True)
     #Reset LANG
-    os.environ['LANG'] = mylang
+    if type(mylang) == str:
+      os.environ['LANG'] = mylang