diff --git a/pkgs/tools/misc/i3minator/default.nix b/pkgs/tools/misc/i3minator/default.nix
index 0b26dbc06e2..7ffab069779 100644
--- a/pkgs/tools/misc/i3minator/default.nix
+++ b/pkgs/tools/misc/i3minator/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pythonPackages }:
+{ stdenv, fetchurl, pythonPackages, glibcLocales }:
 
 pythonPackages.buildPythonApplication rec {
   name = "i3minator-${version}";
@@ -9,8 +9,13 @@ pythonPackages.buildPythonApplication rec {
     sha256 = "11dn062788kwfs8k2ry4v8zr2gn40r6lsw770s9g2gvhl5n469dw";
   };
 
+  LC_ALL = "en_US.UTF-8";
+  buildInputs = [ glibcLocales ];
   propagatedBuildInputs = [ pythonPackages.pyyaml pythonPackages.i3-py ];
 
+  # No tests
+  doCheck = false;
+
   meta = with stdenv.lib; {
     description = "i3 project manager similar to tmuxinator";
     longDescription = ''