diff --git a/tests/test_rulecat.py b/tests/test_rulecat.py
index bfd73fb..0c178c7 100644
--- a/tests/test_rulecat.py
+++ b/tests/test_rulecat.py
@@ -37,10 +37,13 @@ from idstools.scripts import rulecat
 import idstools.rulecat.extract
 
 def has_python2():
-    r = subprocess.call(
-        ["python2", "--version"],
-        stderr=open("/dev/null", "wb"),
-        stdout=open("/dev/null", "wb"))
+    try:
+        r = subprocess.call(
+            ["python2", "--version"],
+            stderr=open("/dev/null", "wb"),
+            stdout=open("/dev/null", "wb"))
+    except OSError:
+        return False
     if r == 0:
         return True
     return False
@@ -126,7 +129,7 @@ class TestRulecat(unittest.TestCase):
                 shutil.rmtree("tmp")
             os.makedirs("./tmp")
             subprocess.check_call(
-                ["/usr/bin/env", "python2",
+                ["/usr/bin/env", "python3",
                  "../bin/idstools-rulecat",
                  "--url",
                  "file://%s/emerging.rules.tar.gz" % (