diff --git a/test/test_ctbin.py b/test/test_ctbin.py
index abc0124..892d39a 100755
--- a/test/test_ctbin.py
+++ b/test/test_ctbin.py
@@ -127,7 +127,9 @@ class Test(test):
         bin['chatter']  = 2
 
         # Run ctbin tool
-        bin.logFileOpen()   # Make sure we get a log file
+        #bin.logFileOpen()   # Make sure we get a log file, but this leads
+                             # to a segmentation fault on Linux, e.g. CentOS 6.
+                             # see issue #1823 (need to fix that)
         bin.run()
 
         # Check content of observation and cube