diff --git a/app-json.py b/app-json.py
index 675e0b8..ee68714 100755
--- a/app-json.py
+++ b/app-json.py
@@ -19,10 +19,11 @@ def clone_apps():
     repos = [[p["name"], p["ssh_url"]] for p in response.json()]
     for name, url in repos:
         try:
-            run(split(f"git clone {url} {clones}/{name}"))
-            chdir(f"{clones}/{name}")
-            if not check_output("git branch --list | wc -l", shell=True):
-                run(split("git checkout main"))
+            if not exists(f"{clones}/{name}"):
+                run(split(f"git clone {url} {clones}/{name}"))
+                chdir(f"{clones}/{name}")
+                if not int(check_output("git branch --list | wc -l", shell=True)):
+                    run(split("git checkout main"))
         except Exception:
             pass