diff --git a/pkg/kubectl/cmd/cmd.go b/pkg/kubectl/cmd/cmd.go
index cae1516b80..6440faa646 100644
--- a/pkg/kubectl/cmd/cmd.go
+++ b/pkg/kubectl/cmd/cmd.go
@@ -22,7 +22,6 @@ import (
 	"io"
 	"os"
 	"os/exec"
-	"runtime"
 	"strings"
 	"syscall"
 
@@ -339,12 +338,6 @@ type defaultPluginHandler struct{}
 
 // Lookup implements PluginHandler
 func (h *defaultPluginHandler) Lookup(filename string) (string, error) {
-	// if on Windows, append the "exe" extension
-	// to the filename that we are looking up.
-	if runtime.GOOS == "windows" {
-		filename = filename + ".exe"
-	}
-
 	return exec.LookPath(filename)
 }
 
diff --git a/pkg/kubectl/cmd/plugin/plugin.go b/pkg/kubectl/cmd/plugin/plugin.go
index d7df928098..e8463f0455 100644
--- a/pkg/kubectl/cmd/plugin/plugin.go
+++ b/pkg/kubectl/cmd/plugin/plugin.go
@@ -100,11 +100,7 @@ func (o *PluginListOptions) Complete(cmd *cobra.Command) error {
 		seenPlugins: make(map[string]string, 0),
 	}
 
-	path := "PATH"
-	if runtime.GOOS == "windows" {
-		path = "path"
-	}
-	o.PluginPaths = filepath.SplitList(os.Getenv(path))
+	o.PluginPaths = filepath.SplitList(os.Getenv("PATH"))
 	return nil
 }
 
@@ -230,7 +226,10 @@ func isExecutable(fullPath string) (bool, error) {
 	}
 
 	if runtime.GOOS == "windows" {
-		if strings.HasSuffix(info.Name(), ".exe") {
+		fileExt := strings.ToLower(filepath.Ext(fullPath))
+
+		switch fileExt {
+		case ".bat", ".cmd", ".com", ".exe":
 			return true, nil
 		}
 		return false, nil