diff --git a/pkgs/by-name/oc/oci-cli/package.nix b/pkgs/by-name/oc/oci-cli/package.nix
index b12cf5be165d..eebd13ad60b9 100644
--- a/pkgs/by-name/oc/oci-cli/package.nix
+++ b/pkgs/by-name/oc/oci-cli/package.nix
@@ -63,6 +63,12 @@ py.pkgs.buildPythonApplication rec {
     "terminaltables"
   ];
 
+  # Propagating dependencies leaks them through $PYTHONPATH which causes issues
+  # when used in nix-shell.
+  postFixup = ''
+    rm $out/nix-support/propagated-build-inputs
+  '';
+
   postInstall = ''
     cat >oci.zsh <<EOF
     #compdef oci