1 files changed, 1 insertions, 1 deletions
diff --git a/tvix/eval/src/value/string.rs b/tvix/eval/src/value/string.rs
index 5b2cb83a17de..9ebdf687d284 100644
--- a/tvix/eval/src/value/string.rs
+++ b/tvix/eval/src/value/string.rs
@@ -168,7 +168,7 @@ fn is_valid_nix_identifier(s: &str) -> bool {
     }
     for c in chars {
         match c {
-            'a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '-' => (),
+            'a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '-' | '\'' => (),
             _ => return false,
         }
     }