diff --git a/pkgs/development/python-modules/coapthon3/default.nix b/pkgs/development/python-modules/coapthon3/default.nix
index aa2781a7fd86..cba1de6aab46 100644
--- a/pkgs/development/python-modules/coapthon3/default.nix
+++ b/pkgs/development/python-modules/coapthon3/default.nix
@@ -1,13 +1,13 @@
 { buildPythonPackage, cachetools, fetchFromGitHub, isPy27, lib }:
 
 buildPythonPackage rec {
-  pname = "CoAPthon3";
+  pname = "coapthon3";
   version = "1.0.2";
   disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "Tanganelli";
-    repo = pname;
+    repo = "CoAPthon3";
     rev = version;
     hash = "sha256-9QApoPUu3XFZY/lgjAsf5r2StFiRtUd1UXWDrzYUh6w=";
   };