diff --git a/copyparty/th_srv.py b/copyparty/th_srv.py
index aa2fd67f7..f228a4a9e 100644
--- a/copyparty/th_srv.py
+++ b/copyparty/th_srv.py
@@ -201,11 +201,11 @@ try:
         # reduces glibc RAM usage from 4.7 to 3.5 GiB ...yep, still bonkers
         os.environ["VIPS_CONCURRENCY"] = "1"
 
-    HAVE_VIPS = True
     import pyvips
 
     pyvips.cache_set_max(0)
     logging.getLogger("pyvips").setLevel(logging.WARNING)
+    HAVE_VIPS = True
 except Exception as e:
     HAVE_VIPS = False
     if not isinstance(e, ImportError):
@@ -219,10 +219,10 @@ try:
     if PRTY_NO_RAWPY:
         raise Exception()
 
-    HAVE_RAWPY = True
     import rawpy
 
     logging.getLogger("rawpy").setLevel(logging.WARNING)
+    HAVE_RAWPY = True
 except:
     HAVE_RAWPY = False
 
diff --git a/copyparty/util.py b/copyparty/util.py
index 62cffdaa1..00f65ace9 100644
--- a/copyparty/util.py
+++ b/copyparty/util.py
@@ -188,6 +188,7 @@ try:
     HAVE_IFADDR = True
 except:
     HAVE_IFADDR = False
+    IFADDR_VND = False
 
     def get_adapters(include_unconfigured=False):
         return []
@@ -288,7 +289,6 @@ try:
         raise Exception()
 
     socket.inet_pton(socket.AF_INET6, "::1")
-    HAVE_IPV6 = True
 
     if GRAAL:
         try:
@@ -303,13 +303,15 @@ try:
                 return _inet_pton(fam, ip)
 
             socket.inet_pton = inet_pton
+
+    HAVE_IPV6 = True
 except:
+    HAVE_IPV6 = False
 
     def inet_pton(fam, ip):
         return socket.inet_aton(ip)
 
     socket.inet_pton = inet_pton
-    HAVE_IPV6 = False
 
 
 try: