diff --git a/formats/term_u1_val.ksy b/formats/term_u1_val.ksy
new file mode 100644
index 000000000..5c4be5c17
--- /dev/null
+++ b/formats/term_u1_val.ksy
@@ -0,0 +1,13 @@
+# Test if unsigned values in `terminator` work
+meta:
+  id: term_u1_val
+  endian: le
+seq:
+  - id: foo
+    terminator: 0xe3
+    consume: false
+  - id: bar
+    type: str
+    encoding: UTF-8
+    terminator: 0xab
+    include: true
diff --git a/spec/ks/term_u1_val.kst b/spec/ks/term_u1_val.kst
new file mode 100644
index 000000000..c701ae0f4
--- /dev/null
+++ b/spec/ks/term_u1_val.kst
@@ -0,0 +1,11 @@
+id: term_u1_val
+data: str_encodings.bin
+asserts:
+  - actual: foo
+    expected: |
+      [
+        0x0a, 0x00, 0x53, 0x6f, 0x6d, 0x65, 0x20, 0x41,
+        0x53, 0x43, 0x49, 0x49, 0x0f, 0x00
+      ]
+  - actual: bar
+    expected: '"こんに"'