diff --git a/setup.py b/setup.py
index a5cc9eb..52d9dcf 100644
--- a/setup.py
+++ b/setup.py
@@ -79,5 +79,5 @@ class CustomInstall(install):
     },
     data_files=create_mo_files(),
     url="https://github.com/cs50/submit50",
-    version="2.4.7"
+    version="2.4.8"
 )
diff --git a/submit50.py b/submit50.py
index 2f64abc..9463124 100755
--- a/submit50.py
+++ b/submit50.py
@@ -606,9 +606,9 @@ def unescape(s):
         run("git lfs install --local")
         run("git config credential.helper cache") # for pre-push hook
         for large in larges:
-            run("git rm --cached {}".format(large))
-            run("git lfs track {}".format(large))
-            run("git add {}".format(large))
+            run("git rm --cached {}".format(shlex.quote(large)))
+            run("git lfs track {}".format(shlex.quote(large)))
+            run("git add {}".format(shlex.quote(large)))
         run("git add --force .gitattributes")
 
     # files that will be submitted