diff --git a/usr/lib/python3.8/vmmgr/vmmgr.py b/usr/lib/python3.8/vmmgr/vmmgr.py
index 989ff25..f79045f 100644
--- a/usr/lib/python3.8/vmmgr/vmmgr.py
+++ b/usr/lib/python3.8/vmmgr/vmmgr.py
@@ -102,14 +102,17 @@ def create_selfsigned_cert():
 def request_acme_cert():
     # Remove all possible conflicting certificates requested in the past
     domain = config.get_host()['domain']
-    certs = [i for i in os.listdir(paths.ACME_DIR) if i not in ('account.conf', 'ca', 'http.header')]
-    for cert in certs:
-        if cert != domain:
-            subprocess.run(['/usr/bin/acme.sh', '--home', paths.ACME_DIR, '--remove', '-d', cert])
+    try:
+        certs = [i for i in os.listdir(paths.ACME_DIR) if i not in ('account.conf', 'ca', 'http.header')]
+        for cert in certs:
+            if cert != domain:
+                subprocess.run(['/usr/bin/acme.sh', '--home', paths.ACME_DIR, '--remove', '-d', cert])
+    except FileNotFoundError:
+        pass
     # Compile an acme.sh command for certificate requisition only if the certificate hasn't been requested before
     if not os.path.exists(os.path.join(paths.ACME_DIR, domain)):
-        cmd = ['/usr/bin/acme.sh', '--issue', '-d', domain]
-        for app,definition in config.get_apps():
+        cmd = ['/usr/bin/acme.sh', '--home', paths.ACME_DIR, '--issue', '-d', domain]
+        for app,definition in config.get_apps().items():
             cmd += ['-d', f'{definition["host"]}.{domain}']
         cmd += ['-w', paths.ACME_DIR]
         # Request the certificate
@@ -123,7 +126,7 @@ def request_acme_cert():
             if e.returncode != 2:
                 raise
     # Install the issued certificate
-    subprocess.run(['/usr/bin/acme.sh', '--home', paths.ACME_DIR, '--install-cert', '-d', domain, '--key-file', crypto.CERT_KEY_FILE, '--fullchain-file', crypto.CERT_PUB_FILE, '--reloadcmd', '/sbin/service nginx reload'], check=True)
+    subprocess.run(['/usr/bin/acme.sh', '--home', paths.ACME_DIR, '--install-cert', '-d', domain, '--key-file', paths.CERT_KEY_FILE, '--fullchain-file', paths.CERT_PUB_FILE, '--reloadcmd', '/sbin/service nginx reload'], check=True)
     # Enable acme.sh cronjob
     os.chmod(paths.ACME_CRON, 0o750)