diff --git a/gunicorn/workers/base_async.py b/gunicorn/workers/base_async.py
index 73c3f6c1..0b7d6570 100644
--- a/gunicorn/workers/base_async.py
+++ b/gunicorn/workers/base_async.py
@@ -109,14 +109,16 @@ class AsyncWorker(base.Worker):
             if self.is_already_handled(respiter):
                 return False
             try:
-                if isinstance(respiter, environ['wsgi.file_wrapper']):
-                    resp.write_file(respiter)
-                else:
-                    for item in respiter:
-                        resp.write(item)
-                resp.close()
-                request_time = datetime.now() - request_start
-                self.log.access(resp, req, environ, request_time)
+                try:
+                    if isinstance(respiter, environ['wsgi.file_wrapper']):
+                        resp.write_file(respiter)
+                    else:
+                        for item in respiter:
+                            resp.write(item)
+                    resp.close()
+                finally:
+                    request_time = datetime.now() - request_start
+                    self.log.access(resp, req, environ, request_time)
             finally:
                 if hasattr(respiter, "close"):
                     respiter.close()
diff --git a/gunicorn/workers/gthread.py b/gunicorn/workers/gthread.py
index f0e5bbf5..dab22fb1 100644
--- a/gunicorn/workers/gthread.py
+++ b/gunicorn/workers/gthread.py
@@ -333,15 +333,17 @@ class ThreadWorker(base.Worker):
 
             respiter = self.wsgi(environ, resp.start_response)
             try:
-                if isinstance(respiter, environ['wsgi.file_wrapper']):
-                    resp.write_file(respiter)
-                else:
-                    for item in respiter:
-                        resp.write(item)
+                try:
+                    if isinstance(respiter, environ['wsgi.file_wrapper']):
+                        resp.write_file(respiter)
+                    else:
+                        for item in respiter:
+                            resp.write(item)
 
-                resp.close()
-                request_time = datetime.now() - request_start
-                self.log.access(resp, req, environ, request_time)
+                    resp.close()
+                finally:
+                    request_time = datetime.now() - request_start
+                    self.log.access(resp, req, environ, request_time)
             finally:
                 if hasattr(respiter, "close"):
                     respiter.close()
diff --git a/gunicorn/workers/sync.py b/gunicorn/workers/sync.py
index 4bdf0003..b6350e86 100644
--- a/gunicorn/workers/sync.py
+++ b/gunicorn/workers/sync.py
@@ -177,14 +177,16 @@ class SyncWorker(base.Worker):
                 self.alive = False
             respiter = self.wsgi(environ, resp.start_response)
             try:
-                if isinstance(respiter, environ['wsgi.file_wrapper']):
-                    resp.write_file(respiter)
-                else:
-                    for item in respiter:
-                        resp.write(item)
-                resp.close()
-                request_time = datetime.now() - request_start
-                self.log.access(resp, req, environ, request_time)
+                try:
+                    if isinstance(respiter, environ['wsgi.file_wrapper']):
+                        resp.write_file(respiter)
+                    else:
+                        for item in respiter:
+                            resp.write(item)
+                    resp.close()
+                finally:
+                    request_time = datetime.now() - request_start
+                    self.log.access(resp, req, environ, request_time)
             finally:
                 if hasattr(respiter, "close"):
                     respiter.close()