diff --git a/buildtest/builders/base.py b/buildtest/builders/base.py
index bb7457407..1670e0144 100644
--- a/buildtest/builders/base.py
+++ b/buildtest/builders/base.py
@@ -640,7 +640,7 @@ def _get_execution_command(self) -> List[str]:
             return self.get_container_invocation()
         else:
             launcher = self.buildexecutor.executors[self.executor].launcher_command(
-                self.testpath
+                numprocs=self.numprocs, numnodes=self.numnodes
             )
             return [" ".join(launcher) + " " + f"{self.testpath}"]