diff --git a/types/model/file.go b/types/model/file.go
index c614fd32..ee398309 100644
--- a/types/model/file.go
+++ b/types/model/file.go
@@ -249,10 +249,6 @@ func quote(s string) string {
 }
 
 func unquote(s string) (string, bool) {
-	if len(s) == 0 {
-		return "", false
-	}
-
 	// TODO: single quotes
 	if len(s) >= 3 && s[:3] == `"""` {
 		if len(s) >= 6 && s[len(s)-3:] == `"""` {
diff --git a/types/model/file_test.go b/types/model/file_test.go
index d51c8d70..8e71760c 100644
--- a/types/model/file_test.go
+++ b/types/model/file_test.go
@@ -489,6 +489,10 @@ You are a store greeter. Always responsed with "Hello!".
 """
 MESSAGE user Hey there!
 MESSAGE assistant Hello, I want to parse all the things!
+`,
+		`
+FROM foo
+SYSTEM ""
 `,
 	}