diff --git a/libraries/nasdf/install.lisp b/libraries/nasdf/install.lisp
index 0c95103e595..ba3710b3e41 100644
--- a/libraries/nasdf/install.lisp
+++ b/libraries/nasdf/install.lisp
@@ -310,17 +310,13 @@ They are either listed with 'git ls-files' or directly if Git is not found."
                                                  (ensure-directory-pathname exclusion)
                                                  (ensure-directory-pathname source))))
                                              (exclude-subpath component))))
-            (remove-if (lambda (file)
-                         (or (file-excluded-type file (exclude-types component))
-                             (let ((file-string (namestring file)))
-                               (some (lambda (exclusion)
-                                       (string-prefix-p exclusion file-string))
-                                     absolute-exclusions))))
-                       (mapcar (lambda (path)
-                                 (ensure-pathname path :truenamize t))
-                               (git-ls-files
-                                root
-                                source)))))
+            (remove-if (lambda (file) (or (file-excluded-type file (exclude-types component))
+                                     (let ((file-string (namestring file)))
+                                       (some (lambda (exclusion) (string-prefix-p exclusion
+                                                                             file-string))
+                                             absolute-exclusions))))
+                       (mapcar (lambda (path) (ensure-pathname path :truenamize t))
+                               (git-ls-files root source)))))
       (error (c)
         (warn "~a~&Git error, falling back to direct listing." c)
         (with-current-directory (root)