diff --git a/test/stdlib/3.5-exclude.sh b/test/stdlib/3.5-exclude.sh
index 96955223..aa79339a 100644
--- a/test/stdlib/3.5-exclude.sh
+++ b/test/stdlib/3.5-exclude.sh
@@ -33,6 +33,7 @@ SKIP_TESTS=(
     [test_exceptions.py]=1 # parse error
 
     [test_format.py]=1
+    [test_ftplib.py]=1 # Test assertion failures
 
     [test_gdb.py]=1 # it fails on its own
     [test_glob.py]=1 #