diff --git a/ate/testcase.py b/ate/testcase.py
index 9b5f5146..b1e36921 100644
--- a/ate/testcase.py
+++ b/ate/testcase.py
@@ -1,7 +1,7 @@
 import ast
 import re
 
-from ate import utils
+from ate.utils import long_type
 from ate.exception import ParamsError
 
 variable_regexp = r"\$([\w_]+)"
@@ -222,7 +222,7 @@ class TestcaseParser(object):
 
             return evaluated_data
 
-        if isinstance(content, (int, float)):
+        if isinstance(content, (int, long_type, float, complex)):
             return content
 
         # content is in string format here
diff --git a/ate/utils.py b/ate/utils.py
index be9efa7b..c3521d10 100644
--- a/ate/utils.py
+++ b/ate/utils.py
@@ -13,9 +13,11 @@ from requests.structures import CaseInsensitiveDict
 
 try:
     string_type = basestring
+    long_type = long
     PYTHON_VERSION = 2
 except NameError:
     string_type = str
+    long_type = int
     PYTHON_VERSION = 3
 
 SECRET_KEY = "DebugTalk"