diff --git a/pkgs/development/python-modules/tensorflow/1/bin.nix b/pkgs/development/python-modules/tensorflow/1/bin.nix
index 9bd2bc78437..5c93e957f7c 100644
--- a/pkgs/development/python-modules/tensorflow/1/bin.nix
+++ b/pkgs/development/python-modules/tensorflow/1/bin.nix
@@ -2,7 +2,7 @@
 , lib
 , fetchurl
 , buildPythonPackage
-, isPy3k, pythonOlder, isPy38
+, isPy3k, pythonOlder, pythonAtLeast
 , astor
 , gast
 , google-pasta
@@ -50,8 +50,7 @@ in buildPythonPackage {
   inherit pname;
   inherit (packages) version;
   format = "wheel";
-
-  disabled = isPy38;
+  disabled = pythonAtLeast "3.8";
 
   src = let
     pyVerNoDot = lib.strings.stringAsChars (x: if x == "." then "" else x) python.pythonVersion;