diff --git a/pkgs/by-name/me/memtree/package.nix b/pkgs/by-name/me/memtree/package.nix
index 68e990456e75..daf2bfa39ec8 100644
--- a/pkgs/by-name/me/memtree/package.nix
+++ b/pkgs/by-name/me/memtree/package.nix
@@ -31,7 +31,7 @@ python3Packages.buildPythonApplication {
   ];
 
   pytestFlagsArray = [ "-v" ];
-  pythonImportChecks = [ "memtree" ];
+  pythonImportsCheck = [ "memtree" ];
 
   passthru.updateScript = nix-update-script {
     extraArgs = [ "--version=branch" ];