diff --git a/var/spack/repos/builtin/packages/professor/package.py b/var/spack/repos/builtin/packages/professor/package.py
index e30f48079f9..999efe34fa9 100644
--- a/var/spack/repos/builtin/packages/professor/package.py
+++ b/var/spack/repos/builtin/packages/professor/package.py
@@ -65,7 +65,7 @@ def configure(self):
 
     def install(self, spec, prefix):
         with working_dir(self.stage.source_path):
-             # Makefile sets PROF_ROOT to PWD but that is not set for root user in CI
+            # Makefile sets PROF_ROOT to PWD but that is not set for root user in CI
             with spack.util.environment.set_env(PWD=self.stage.source_path):
                 make()
                 make(f"PREFIX={prefix}", "install")