diff --git a/src/xatu/BUILD b/src/xatu/BUILD
index 99e020f..ef781ff 100644
--- a/src/xatu/BUILD
+++ b/src/xatu/BUILD
@@ -30,8 +30,12 @@ rust_test(
     compile_data = [
         "testdata/clean.nix",
         "testdata/empty_inherit.nix",
+        "testdata/invalid.nix",
+    ],
+    deps = [
+        ":xatu_lib",
+        "//src/status:status",
     ],
-    deps = [":xatu_lib"],
 )
 
 rust_binary(
diff --git a/src/xatu/testdata/invalid.nix b/src/xatu/testdata/invalid.nix
new file mode 100644
index 0000000..98232c6
--- /dev/null
+++ b/src/xatu/testdata/invalid.nix
@@ -0,0 +1 @@
+{
diff --git a/src/xatu/xatu_test.rs b/src/xatu/xatu_test.rs
index c654611..e7e7615 100644
--- a/src/xatu/xatu_test.rs
+++ b/src/xatu/xatu_test.rs
@@ -1,5 +1,6 @@
 use std::path::PathBuf;
 
+use status::Code;
 use xatu::SourceFile;
 
 fn source_file(path: &str, source: &str) -> SourceFile {
@@ -15,7 +16,7 @@ fn future_sight_reports_clean_sources_as_clean() {
         "clean.nix",
         include_str!("testdata/clean.nix"),
     )])
-    .expect("source should parse");
+    .expect("fixture should parse");
 
     assert!(report.is_clean());
 }
@@ -26,7 +27,7 @@ fn future_sight_reports_empty_inherit_findings() {
         "empty_inherit.nix",
         include_str!("testdata/empty_inherit.nix"),
     )])
-    .expect("source should parse");
+    .expect("fixture should parse");
 
     assert_eq!(1, report.diagnostics.len());
 
@@ -37,3 +38,14 @@ fn future_sight_reports_empty_inherit_findings() {
     );
     assert_eq!("empty_inherit", diagnostic.finding.rule_id);
 }
+
+#[test]
+fn future_sight_rejects_parse_errors() {
+    let error = xatu::future_sight(vec![source_file(
+        "invalid.nix",
+        include_str!("testdata/invalid.nix"),
+    )])
+    .expect_err("fixture should fail to parse");
+
+    assert_eq!(Code::FailedPrecondition, error.code());
+}