diff --git a/runtime/v2/shim/util.go b/runtime/v2/shim/util.go
index 77afaa1f3..44419a95f 100644
--- a/runtime/v2/shim/util.go
+++ b/runtime/v2/shim/util.go
@@ -31,8 +31,6 @@ import (
 	"github.com/pkg/errors"
 )
 
-const shimBinaryFormat = "containerd-shim-%s-%s"
-
 var runtimePaths sync.Map
 
 // Command returns the shim command with the provided args and configuration
diff --git a/runtime/v2/shim/util_unix.go b/runtime/v2/shim/util_unix.go
index 262fe2b36..b86f8624a 100644
--- a/runtime/v2/shim/util_unix.go
+++ b/runtime/v2/shim/util_unix.go
@@ -31,6 +31,8 @@ import (
 	"github.com/pkg/errors"
 )
 
+const shimBinaryFormat = "containerd-shim-%s-%s"
+
 func getSysProcAttr() *syscall.SysProcAttr {
 	return &syscall.SysProcAttr{
 		Setpgid: true,
diff --git a/runtime/v2/shim/util_windows.go b/runtime/v2/shim/util_windows.go
index 594a0f75b..ef26ebe22 100644
--- a/runtime/v2/shim/util_windows.go
+++ b/runtime/v2/shim/util_windows.go
@@ -29,6 +29,8 @@ import (
 	"github.com/pkg/errors"
 )
 
+const shimBinaryFormat = "containerd-shim-%s-%s.exe"
+
 func getSysProcAttr() *syscall.SysProcAttr {
 	return nil
 }