diff --git a/src/context/os.go b/src/context/os.go
new file mode 100644
index 0000000..5bc2dac
--- /dev/null
+++ b/src/context/os.go
@@ -0,0 +1,7 @@
+package context
+
+const (
+	WINDOWS = "windows"
+	LINUX   = "linux"
+	DARWIN  = "darwin"
+)
diff --git a/src/shell/aliae_test.go b/src/shell/aliae_test.go
index 8f84e58..46850bf 100644
--- a/src/shell/aliae_test.go
+++ b/src/shell/aliae_test.go
@@ -219,7 +219,7 @@ func TestAliasWithTemplate(t *testing.T) {
 
 	for _, tc := range cases {
 		alias := &Alias{Name: "a", Value: tc.Value}
-		context.Current = &context.Runtime{Shell: BASH, Home: "/Users/jan", OS: "windows"}
+		context.Current = &context.Runtime{Shell: BASH, Home: "/Users/jan", OS: context.WINDOWS}
 		assert.Equal(t, tc.Expected, alias.string(), tc.Case)
 	}
 }
diff --git a/src/shell/nu.go b/src/shell/nu.go
index 98305d9..9424394 100644
--- a/src/shell/nu.go
+++ b/src/shell/nu.go
@@ -1,6 +1,7 @@
 package shell
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 
@@ -37,7 +38,14 @@ func (e *Env) nu() *Env {
 }
 
 func (p *Path) nu() *Path {
-	p.template = `let-env PATH = ($env.PATH | prepend "{{ .Value }}")`
+	template := `$env.%s = ($env.%s | prepend "{{ .Value }}")`
+	pathName := "PATH"
+
+	if context.Current.OS == context.WINDOWS {
+		pathName = "Path"
+	}
+
+	p.template = fmt.Sprintf(template, pathName, pathName)
 	return p
 }
 
diff --git a/src/shell/path_test.go b/src/shell/path_test.go
index 1b669d4..8c37b5c 100644
--- a/src/shell/path_test.go
+++ b/src/shell/path_test.go
@@ -12,6 +12,7 @@ func TestPath(t *testing.T) {
 		Case     string
 		Shell    string
 		Path     *Path
+		OS       string
 		Expected string
 	}{
 		{
@@ -75,14 +76,22 @@ fish_add_path /usr/bin`,
 			Case:     "NU - single item",
 			Shell:    NU,
 			Path:     &Path{Value: "/usr/local/bin"},
-			Expected: `let-env PATH = ($env.PATH | prepend "/usr/local/bin")`,
+			Expected: `$env.PATH = ($env.PATH | prepend "/usr/local/bin")`,
 		},
 		{
 			Case:  "NU - multiple items",
 			Shell: NU,
 			Path:  &Path{Value: "/usr/local/bin\n/usr/bin"},
-			Expected: `let-env PATH = ($env.PATH | prepend "/usr/local/bin")
-let-env PATH = ($env.PATH | prepend "/usr/bin")`,
+			Expected: `$env.PATH = ($env.PATH | prepend "/usr/local/bin")
+$env.PATH = ($env.PATH | prepend "/usr/bin")`,
+		},
+		{
+			Case:  "NU - Windows",
+			Shell: NU,
+			OS:    context.WINDOWS,
+			Path:  &Path{Value: "/usr/local/bin\n/usr/bin"},
+			Expected: `$env.Path = ($env.Path | prepend "/usr/local/bin")
+$env.Path = ($env.Path | prepend "/usr/bin")`,
 		},
 		{
 			Case:     "TCSH - single item",
@@ -126,7 +135,7 @@ export PATH="/usr/bin:$PATH"`,
 	}
 
 	for _, tc := range cases {
-		context.Current = &context.Runtime{Shell: tc.Shell, Home: "/Users/jan"}
+		context.Current = &context.Runtime{Shell: tc.Shell, Home: "/Users/jan", OS: tc.OS}
 		assert.Equal(t, tc.Expected, tc.Path.string(), tc.Case)
 	}
 }