diff --git a/gunicorn/workers/base_async.py b/gunicorn/workers/base_async.py
index 7b2daf91b..a19cd313f 100644
--- a/gunicorn/workers/base_async.py
+++ b/gunicorn/workers/base_async.py
@@ -73,11 +73,13 @@ def handle(self, listener, client, addr):
                 self.log.debug("Error processing SSL request.")
                 self.handle_error(req, client, addr, e)
         except EnvironmentError as e:
-            if e.errno not in (errno.EPIPE, errno.ECONNRESET):
+            if e.errno not in (errno.EPIPE, errno.ECONNRESET, errno.ENOTCONN):
                 self.log.exception("Socket error processing request.")
             else:
                 if e.errno == errno.ECONNRESET:
                     self.log.debug("Ignoring connection reset")
+                elif e.errno == errno.ENOTCONN:
+                    self.log.debug("Ignoring socket not connected")
                 else:
                     self.log.debug("Ignoring EPIPE")
         except Exception as e:
diff --git a/gunicorn/workers/gthread.py b/gunicorn/workers/gthread.py
index 376c3cb76..adfa7eac9 100644
--- a/gunicorn/workers/gthread.py
+++ b/gunicorn/workers/gthread.py
@@ -285,11 +285,13 @@ def handle(self, conn):
                 self.handle_error(req, conn.sock, conn.client, e)
 
         except EnvironmentError as e:
-            if e.errno not in (errno.EPIPE, errno.ECONNRESET):
+            if e.errno not in (errno.EPIPE, errno.ECONNRESET, errno.ENOTCONN):
                 self.log.exception("Socket error processing request.")
             else:
                 if e.errno == errno.ECONNRESET:
                     self.log.debug("Ignoring connection reset")
+                elif e.errno == errno.ENOTCONN:
+                    self.log.debug("Ignoring socket not connected")
                 else:
                     self.log.debug("Ignoring connection epipe")
         except Exception as e:
diff --git a/gunicorn/workers/sync.py b/gunicorn/workers/sync.py
index fd423bc9e..700a1b85d 100644
--- a/gunicorn/workers/sync.py
+++ b/gunicorn/workers/sync.py
@@ -146,11 +146,13 @@ def handle(self, listener, client, addr):
                 self.log.debug("Error processing SSL request.")
                 self.handle_error(req, client, addr, e)
         except EnvironmentError as e:
-            if e.errno not in (errno.EPIPE, errno.ECONNRESET):
+            if e.errno not in (errno.EPIPE, errno.ECONNRESET, errno.ENOTCONN):
                 self.log.exception("Socket error processing request.")
             else:
                 if e.errno == errno.ECONNRESET:
                     self.log.debug("Ignoring connection reset")
+                elif e.errno == errno.ENOTCONN:
+                    self.log.debug("Ignoring socket not connected")
                 else:
                     self.log.debug("Ignoring EPIPE")
         except Exception as e: