diff --git a/proxy/bridge.py b/proxy/bridge.py
index 1b981d7..c2ce787 100644
--- a/proxy/bridge.py
+++ b/proxy/bridge.py
@@ -175,7 +175,7 @@ async def _cfproxy_fallback(reader, writer, relay_init, label,
             break
         except Exception as exc:
             log.warning("[%s] DC%d%s CF proxy failed: %s",
-                        label, dc, media_tag, exc)
+                        label, dc, media_tag, repr(exc))
 
     if ws is None:
         return False
@@ -198,7 +198,7 @@ async def _tcp_fallback(reader, writer, dst, port, relay_init, label,
             asyncio.open_connection(dst, port), timeout=10)
     except Exception as exc:
         log.warning("[%s] TCP fallback to %s:%d failed: %s",
-                    label, dst, port, exc)
+                    label, dst, port, repr(exc))
         return False
 
     stats.connections_tcp_fallback += 1
diff --git a/proxy/config.py b/proxy/config.py
index b8458cc..9c630b9 100644
--- a/proxy/config.py
+++ b/proxy/config.py
@@ -66,7 +66,7 @@ def _fetch_cfproxy_domain_list() -> List[str]:
         ]
         return [_dd(d) for d in encoded]
     except Exception as exc:
-        log.warning("Failed to fetch CF proxy domain list: %s", exc)
+        log.warning("Failed to fetch CF proxy domain list: %s", repr(exc))
         return []
 
 
diff --git a/proxy/fake_tls.py b/proxy/fake_tls.py
index 9b7e0b2..531c7b7 100644
--- a/proxy/fake_tls.py
+++ b/proxy/fake_tls.py
@@ -214,7 +214,7 @@ async def proxy_to_masking_domain(reader, writer, initial_data: bytes,
             asyncio.open_connection(domain, 443), timeout=10)
     except Exception as exc:
         log.debug("[%s] masking: cannot connect to %s:443: %s",
-                  label, domain, exc)
+                  label, domain, repr(exc))
         return
 
     log.debug("[%s] masking -> %s:443", label, domain)
diff --git a/proxy/tg_ws_proxy.py b/proxy/tg_ws_proxy.py
index 65b2bed..45bf961 100644
--- a/proxy/tg_ws_proxy.py
+++ b/proxy/tg_ws_proxy.py
@@ -448,7 +448,7 @@ async def _handle_client(reader, writer, secret: bytes):
                     stats.ws_errors += 1
                     all_redirects = False
                     log.warning("[%s] DC%d%s WS connect failed: %s",
-                                label, dc, media_tag, exc)
+                                label, dc, media_tag, repr(exc))
 
         # WS failed -> fallback
         if ws is None:
@@ -506,7 +506,7 @@ async def _handle_client(reader, writer, secret: bytes):
         if getattr(exc, 'winerror', None) == 1236:
             log.debug("[%s] connection aborted by local system", label)
         else:
-            log.error("[%s] unexpected OS error: %s", label, exc)
+            log.error("[%s] unexpected OS error: %s", label, repr(exc))
     except Exception as exc:
         log.error("[%s] unexpected: %s", label, exc, exc_info=True)
     finally:
diff --git a/utils/tray_common.py b/utils/tray_common.py
index 7124d1f..9cfbc9e 100644
--- a/utils/tray_common.py
+++ b/utils/tray_common.py
@@ -132,7 +132,7 @@ def load_config() -> dict:
                 data.setdefault(k, v)
             return data
         except Exception as exc:
-            log.warning("Failed to load config: %s", exc)
+            log.warning("Failed to load config: %s", repr(exc))
     return dict(DEFAULT_CONFIG)
 
 
@@ -242,7 +242,7 @@ def _run_proxy_thread(on_port_busy: Callable[[str], None]) -> None:
     try:
         loop.run_until_complete(_run(stop_event=stop_ev))
     except Exception as exc:
-        log.error("Proxy thread crashed: %s", exc)
+        log.error("Proxy thread crashed: %s", repr(exc))
         if "Address already in use" in str(exc) or "10048" in str(exc):
             on_port_busy(
                 "Не удалось запустить прокси:\n"
@@ -391,7 +391,7 @@ def maybe_notify_update(
             ):
                 webbrowser.open(url)
         except Exception as exc:
-            log.debug("Update check failed: %s", exc)
+            log.debug("Update check failed: %s", repr(exc))
 
     threading.Thread(target=_work, daemon=True, name="update-check").start()