diff --git a/pybossa/util.py b/pybossa/util.py
index 0f0c11227a..eb01bbae23 100644
--- a/pybossa/util.py
+++ b/pybossa/util.py
@@ -347,7 +347,7 @@ def with_cache_disabled(f):
     @wraps(f)
     def wrapper(*args, **kwargs):
         env_cache_disabled = os.environ.get('PYBOSSA_REDIS_CACHE_DISABLED')
-        if env_cache_disabled is None or env_cache_disabled is '0':
+        if env_cache_disabled is None or env_cache_disabled == '0':
             os.environ['PYBOSSA_REDIS_CACHE_DISABLED'] = '1'
         return_value = f(*args, **kwargs)
         if env_cache_disabled is None:
diff --git a/warm.py b/warm.py
index 8e73d10ce3..f30df2dcda 100755
--- a/warm.py
+++ b/warm.py
@@ -51,7 +51,7 @@ def warm_app(id, short_name, featured=False):
                 cached_apps.n_completed_tasks(id)
                 cached_apps.n_volunteers(id)
                 if n_task_runs >= 1000 or featured:
-                    print "Getting stats for %s as it has %s task runs" % (short_name, n_task_runs)
+                    print("Getting stats for %s as it has %s task runs" % (short_name, n_task_runs))
                     stats.get_stats(id)
                 apps_cached.append(id)