diff --git a/lexer.go b/lexer.go
index 7767e47..6a36619 100644
--- a/lexer.go
+++ b/lexer.go
@@ -113,7 +113,7 @@ func (s *Scanner) scanIdent() (tok Token, lit string) {
 }
 
 func isWhitespace(ch rune) bool {
-	return ch == ' ' || ch == '\t' || ch == '\n'
+	return ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'
 }
 
 func isLetter(ch rune) bool {
diff --git a/lexer_test.go b/lexer_test.go
index a01b4f2..6170fb8 100644
--- a/lexer_test.go
+++ b/lexer_test.go
@@ -20,6 +20,7 @@ func TestScanner_Scan(t *testing.T) {
 		{s: ` `, tok: vdf.WS, lit: " "},
 		{s: "\t", tok: vdf.WS, lit: "\t"},
 		{s: "\n", tok: vdf.WS, lit: "\n"},
+		{s: "\r", tok: vdf.WS, lit: "\r"},
 
 		// Misc characters
 		{s: `{`, tok: vdf.CurlyBraceOpen, lit: "{"},