diff --git a/pkg/fdnotifier/fdnotifier.go b/pkg/fdnotifier/fdnotifier.go
index 58529f99f..f4aae1953 100644
--- a/pkg/fdnotifier/fdnotifier.go
+++ b/pkg/fdnotifier/fdnotifier.go
@@ -25,6 +25,7 @@ import (
 	"sync"
 	"syscall"
 
+	"golang.org/x/sys/unix"
 	"gvisor.dev/gvisor/pkg/waiter"
 )
 
@@ -72,7 +73,7 @@ func (n *notifier) waitFD(fd int32, fi *fdInfo, mask waiter.EventMask) error {
 	}
 
 	e := syscall.EpollEvent{
-		Events: mask.ToLinux() | -syscall.EPOLLET,
+		Events: mask.ToLinux() | unix.EPOLLET,
 		Fd:     fd,
 	}
 
diff --git a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
index 25ad17a4e..895abb129 100755
--- a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
+++ b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
@@ -1,12 +1,12 @@
 package kernel
 
 import (
-	"fmt"
-	"reflect"
-	"strings"
 	"unsafe"
 
+	"fmt"
 	"gvisor.dev/gvisor/third_party/gvsync"
+	"reflect"
+	"strings"
 )
 
 // SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race
diff --git a/pkg/sentry/platform/ring0/defs_impl.go b/pkg/sentry/platform/ring0/defs_impl.go
index d4bfc5a4a..a30a9dd4a 100755
--- a/pkg/sentry/platform/ring0/defs_impl.go
+++ b/pkg/sentry/platform/ring0/defs_impl.go
@@ -1,14 +1,14 @@
 package ring0
 
 import (
+	"gvisor.dev/gvisor/pkg/cpuid"
+	"io"
+	"reflect"
 	"syscall"
 
 	"fmt"
-	"gvisor.dev/gvisor/pkg/cpuid"
 	"gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables"
 	"gvisor.dev/gvisor/pkg/sentry/usermem"
-	"io"
-	"reflect"
 )
 
 var (
diff --git a/pkg/sentry/socket/rpcinet/notifier/notifier.go b/pkg/sentry/socket/rpcinet/notifier/notifier.go
index aa157dd51..7efe4301f 100644
--- a/pkg/sentry/socket/rpcinet/notifier/notifier.go
+++ b/pkg/sentry/socket/rpcinet/notifier/notifier.go
@@ -20,6 +20,7 @@ import (
 	"sync"
 	"syscall"
 
+	"golang.org/x/sys/unix"
 	"gvisor.dev/gvisor/pkg/sentry/socket/rpcinet/conn"
 	pb "gvisor.dev/gvisor/pkg/sentry/socket/rpcinet/syscall_rpc_go_proto"
 	"gvisor.dev/gvisor/pkg/waiter"
@@ -76,7 +77,7 @@ func (n *Notifier) waitFD(fd uint32, fi *fdInfo, mask waiter.EventMask) error {
 	}
 
 	e := pb.EpollEvent{
-		Events: mask.ToLinux() | -syscall.EPOLLET,
+		Events: mask.ToLinux() | unix.EPOLLET,
 		Fd:     fd,
 	}
 
diff --git a/pkg/sentry/time/seqatomic_parameters_unsafe.go b/pkg/sentry/time/seqatomic_parameters_unsafe.go
index 89792c56d..f6560d0bb 100755
--- a/pkg/sentry/time/seqatomic_parameters_unsafe.go
+++ b/pkg/sentry/time/seqatomic_parameters_unsafe.go
@@ -1,12 +1,12 @@
 package time
 
 import (
-	"fmt"
-	"reflect"
-	"strings"
 	"unsafe"
 
+	"fmt"
 	"gvisor.dev/gvisor/third_party/gvsync"
+	"reflect"
+	"strings"
 )
 
 // SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race