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-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.nix2
-rw-r--r--tvix/eval/src/vm.rs14
3 files changed, 12 insertions, 5 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.exp
new file mode 100644
index 000000000000..a833e32892e4
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.exp
@@ -0,0 +1 @@
+"works fine"
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.nix
new file mode 100644
index 000000000000..fd09bfee64c2
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-or-operator-non-set.nix
@@ -0,0 +1,2 @@
+# `or` operator should keep working if it encounters a non-set type.
+{ a.b = 42; }.a.b.c or "works fine"
diff --git a/tvix/eval/src/vm.rs b/tvix/eval/src/vm.rs
index d050fa807106..d18cd7977bbe 100644
--- a/tvix/eval/src/vm.rs
+++ b/tvix/eval/src/vm.rs
@@ -182,12 +182,16 @@ impl VM {
 
                 OpCode::OpAttrOrNotFound => {
                     let key = self.pop().to_string()?;
-                    let attrs = self.pop().to_attrs()?;
+                    let value = match self.pop() {
+                        Value::Attrs(attrs) => match attrs.select(key.as_str()) {
+                            Some(value) => value.clone(),
+                            None => Value::NotFound,
+                        },
 
-                    match attrs.select(key.as_str()) {
-                        Some(value) => self.push(value.clone()),
-                        None => self.push(Value::NotFound),
-                    }
+                        _ => Value::NotFound,
+                    };
+
+                    self.push(value);
                 }
 
                 OpCode::OpAttrsIsSet => {