diff --git a/pkgs/development/python-modules/antlr4-python3-runtime/default.nix b/pkgs/development/python-modules/antlr4-python3-runtime/default.nix
index 1ab91cacbcc3..4f5f25d0159b 100644
--- a/pkgs/development/python-modules/antlr4-python3-runtime/default.nix
+++ b/pkgs/development/python-modules/antlr4-python3-runtime/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
   # in 4.9, test was renamed to tests
   checkPhase = ''
     cd test*
-    ${python.interpreter} ctest.py
+    ${python.interpreter} run.py
   '';
 
   meta = with lib; {