diff --git a/ipc.c b/ipc.c
index 354ccad..06b2793 100644
--- a/ipc.c
+++ b/ipc.c
@@ -183,8 +183,7 @@ ipcconnect(void)
 	if(until < 0)
 		goto Bad;
 	if(connect(fd, (struct sockaddr*)&addr, sizeof addr) < 0){
-		if(errno != EINPROGRESS && errno != EALREADY && errno != EINTR &&
-		   errno != EAGAIN && errno != EWOULDBLOCK)
+		if(errno != EINPROGRESS && errno != EALREADY && errno != EINTR)
 			goto Bad;
 		if(waitfd(fd, POLLOUT, until) < 0)
 			goto Bad;
diff --git a/tests/ipc_test.c b/tests/ipc_test.c
index 4ff67cc..b48543a 100644
--- a/tests/ipc_test.c
+++ b/tests/ipc_test.c
@@ -385,9 +385,9 @@ ipcconnectcloexec(struct ct *t)
 	struct sockaddr_un addr;
 	char root[] = "/tmp/strans-ipc.XXXXXX";
 	char *old, *saved;
-	int accepted, client, flags, listener;
+	int accepted, client, flags, full, listener;
 
-	accepted = client = listener = -1;
+	accepted = client = full = listener = -1;
 	old = getenv("XDG_RUNTIME_DIR");
 	saved = old == nil ? nil : strdup(old);
 	if(mkdtemp(root) == nil){
@@ -401,19 +401,25 @@ ipcconnectcloexec(struct ct *t)
 	if(ipcpath(addr.sun_path, sizeof addr.sun_path) < 0 ||
 	   (listener = socket(AF_UNIX, SOCK_STREAM, 0)) < 0 ||
 	   bind(listener, (struct sockaddr*)&addr, sizeof addr) < 0 ||
-	   listen(listener, 1) < 0){
+	   listen(listener, 0) < 0){
 		CT_ERRORF(t, "listen failed: %s", strerror(errno));
 		goto Out;
 	}
 	client = ipcconnect();
 	if(!CT_CHECK(t, client >= 0))
 		goto Out;
+	flags = fcntl(client, F_GETFD);
+	CT_CHECK(t, flags >= 0 && (flags & FD_CLOEXEC) != 0);
+	errno = 0;
+	full = ipcconnect();
+	CT_EQ_INT(t, -1, full);
+	CT_CHECK(t, errno == EAGAIN || errno == EWOULDBLOCK);
 	accepted = accept(listener, nil, nil);
 	if(!CT_CHECK(t, accepted >= 0))
 		goto Out;
-	flags = fcntl(client, F_GETFD);
-	CT_CHECK(t, flags >= 0 && (flags & FD_CLOEXEC) != 0);
 Out:
+	if(full >= 0)
+		close(full);
 	if(accepted >= 0)
 		close(accepted);
 	if(client >= 0)