diff --git a/cmdlang/ast.go b/cmdlang/ast.go
index d5984aa..0a29001 100644
--- a/cmdlang/ast.go
+++ b/cmdlang/ast.go
@@ -1,9 +1,10 @@
 package cmdlang
 
 import (
+	"io"
+
 	"github.com/alecthomas/participle/v2"
 	"github.com/alecthomas/participle/v2/lexer"
-	"io"
 )
 
 type astLiteral struct {
@@ -52,7 +53,7 @@ var scanner = lexer.MustStateful(lexer.Rules{
 		{"RC", `\}`, nil},
 		{"NL", `[;\n][; \n\t]*`, nil},
 		{"PIPE", `\|`, nil},
-		{"Ident", `\w+`, nil},
+		{"Ident", `[\w-]+`, nil},
 	},
 })
 var parser = participle.MustBuild[astScript](participle.Lexer(scanner),
diff --git a/cmdlang/inst_test.go b/cmdlang/inst_test.go
index 2ca544a..beec7a8 100644
--- a/cmdlang/inst_test.go
+++ b/cmdlang/inst_test.go
@@ -3,9 +3,10 @@ package cmdlang_test
 import (
 	"bytes"
 	"context"
+	"testing"
+
 	"github.com/lmika/cmdlang-proto/cmdlang"
 	"github.com/stretchr/testify/assert"
-	"testing"
 )
 
 func TestInst_Eval(t *testing.T) {
@@ -15,6 +16,7 @@ func TestInst_Eval(t *testing.T) {
 		want string
 	}{
 		{desc: "simple string", expr: `firstarg "hello"`, want: "hello"},
+		{desc: "simple ident", expr: `firstarg a-test`, want: "a-test"},
 
 		// Sub-expressions
 		{desc: "sub expression 1", expr: `firstarg (sjoin "hello")`, want: "hello"},